{
  "url": "https://dantelabs.com/fr/genes/fgfr2",
  "gene": {
    "slug": "fgfr2",
    "symbol": "FGFR2",
    "name": "fibroblast growth factor receptor 2",
    "hgnc": "HGNC:3689",
    "summary": null,
    "location": "10q26.13",
    "locusType": "gene with protein product",
    "aliases": [
      "CEK3",
      "TK14",
      "TK25",
      "ECT1",
      "K-SAM",
      "CD332"
    ],
    "previousSymbols": [
      "KGFR",
      "BEK",
      "CFD1",
      "JWS"
    ],
    "ensemblId": "ENSG00000066468",
    "entrezId": 2263,
    "omim": [
      "176943"
    ],
    "uniprot": [
      "P21802"
    ],
    "model": {
      "build": "GRCh38",
      "release": "v1.5",
      "chrom": "10",
      "start": 121478332,
      "end": 121598444,
      "strand": "-",
      "ensemblTranscript": "ENST00000358487.10",
      "refseqTranscript": "NM_000141.5",
      "ensemblProtein": "ENSP00000351276.6",
      "refseqProtein": "NP_000132.3",
      "exons": [
        {
          "start": 121478332,
          "end": 121480021
        },
        {
          "start": 121483698,
          "end": 121483803
        },
        {
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        },
        {
          "start": 121487991,
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        },
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          "end": 121496722
        },
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          "end": 121498605
        },
        {
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        },
        {
          "start": 121503790,
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        },
        {
          "start": 121515117,
          "end": 121515319
        },
        {
          "start": 121517319,
          "end": 121517463
        },
        {
          "start": 121519979,
          "end": 121520169
        },
        {
          "start": 121538592,
          "end": 121538715
        },
        {
          "start": 121551290,
          "end": 121551459
        },
        {
          "start": 121564502,
          "end": 121564579
        },
        {
          "start": 121565438,
          "end": 121565704
        },
        {
          "start": 121593709,
          "end": 121593967
        },
        {
          "start": 121597962,
          "end": 121598444
        }
      ],
      "cds": {
        "start": 121479857,
        "end": 121593817
      }
    },
    "grch37": {
      "build": "GRCh37",
      "release": "87",
      "chrom": "10",
      "start": 123237848,
      "end": 123357972,
      "strand": "-"
    },
    "neighbourhood": {
      "release": "116",
      "start": 121038388,
      "end": 122038387,
      "genes": [
        {
          "symbol": "ATE1",
          "ensemblId": "ENSG00000107669",
          "biotype": "protein_coding",
          "start": 121709393,
          "end": 121928801,
          "strand": "-",
          "slug": "ate1"
        },
        {
          "symbol": "NSMCE4A",
          "ensemblId": "ENSG00000107672",
          "biotype": "protein_coding",
          "start": 121953334,
          "end": 121975300,
          "strand": "-",
          "slug": "nsmce4a"
        },
        {
          "symbol": "TACC2",
          "ensemblId": "ENSG00000138162",
          "biotype": "protein_coding",
          "start": 121989163,
          "end": 122254560,
          "strand": "+",
          "slug": "tacc2"
        }
      ],
      "truncated": false
    },
    "reports": [
      {
        "slug": "syndromic-craniosynostosis",
        "name": "Craniosténose syndromique",
        "diseases": [
          {
            "mondoId": "MONDO:0015338",
            "name": "Craniosténose syndromique",
            "genes": 23,
            "inheritance": null,
            "description": "Maladies associant une fermeture précoce des sutures crâniennes à d'autres signes, notamment les syndromes d'Apert, de Crouzon, de Pfeiffer, de Muenke et de Saethre-Chotzen, causées par des gènes tels que FGFR2, FGFR3, FGFR1, TWIST1, TCF12 et ERF.",
            "management": "Un diagnostic précoce permet une chirurgie au bon moment et un suivi de la croissance du crâne, de la vision et de l'audition ; les formes plus légères, comme le syndrome de Muenke, peuvent passer inaperçues chez l'adulte, ce qui est important pour la planification familiale.",
            "evidence": {
              "gencc": [
                "Ambry Genetics",
                "ClinGen",
                "G2P",
                "Genomics England PanelApp",
                "Labcorp Genetics (formerly Invitae)",
                "PanelApp Australia"
              ],
              "clingen": "Definitive",
              "acmgSf": false,
              "inheritance": [
                "autosomal-dominant"
              ]
            },
            "sameAsReport": true,
            "broad": false
          }
        ],
        "url": "https://dantelabs.com/fr/conditions/syndromic-craniosynostosis"
      }
    ],
    "pharmacogenomics": [],
    "traits": [],
    "phenotypes": [
      {
        "slug": "3-4-toe-cutaneous-syndactyly",
        "name": "3-4 toe cutaneous syndactyly",
        "systems": [
          "abnormality-of-limbs",
          "abnormality-of-the-musculoskeletal-system"
        ],
        "frequency": "occasional",
        "url": "https://dantelabs.com/traits/3-4-toe-cutaneous-syndactyly"
      },
      {
        "slug": "abnormal-antihelix-morphology",
        "name": "Abnormal antihelix morphology",
        "systems": [
          "abnormality-of-the-ear"
        ],
        "frequency": "frequent",
        "url": "https://dantelabs.com/traits/abnormal-antihelix-morphology"
      },
      {
        "slug": "ectopic-anus",
        "name": "Abnormal anus position",
        "systems": [
          "abnormality-of-the-digestive-system"
        ],
        "frequency": "occasional",
        "url": "https://dantelabs.com/traits/ectopic-anus"
      },
      {
        "slug": "abnormal-cardiovascular-system-morphology",
        "name": "Abnormal cardiovascular system morphology",
        "systems": [
          "abnormality-of-the-cardiovascular-system"
        ],
        "frequency": "occasional",
        "url": "https://dantelabs.com/traits/abnormal-cardiovascular-system-morphology"
      },
      {
        "slug": "abnormality-of-the-cervical-spine",
        "name": "Abnormal cervical spine",
        "systems": [
          "abnormality-of-the-musculoskeletal-system"
        ],
        "url": "https://dantelabs.com/traits/abnormality-of-the-cervical-spine"
      },
      {
        "slug": "abnormality-of-the-dentition",
        "name": "Abnormal dentition",
        "systems": [
          "abnormality-of-head-or-neck"
        ],
        "frequency": "very-frequent",
        "url": "https://dantelabs.com/traits/abnormality-of-the-dentition"
      },
      {
        "slug": "abnormal-facial-shape",
        "name": "Abnormal facial shape",
        "systems": [
          "abnormality-of-head-or-neck"
        ],
        "frequency": "very-frequent",
        "url": "https://dantelabs.com/traits/abnormal-facial-shape"
      },
      {
        "slug": "abnormal-hair-pattern",
        "name": "Abnormal hair pattern",
        "systems": [
          "abnormality-of-the-integument"
        ],
        "frequency": "occasional",
        "url": "https://dantelabs.com/traits/abnormal-hair-pattern"
      },
      {
        "slug": "abnormal-lacrimal-duct-morphology",
        "name": "Abnormal lacrimal duct morphology",
        "systems": [
          "abnormality-of-head-or-neck"
        ],
        "frequency": "frequent",
        "url": "https://dantelabs.com/traits/abnormal-lacrimal-duct-morphology"
      },
      {
        "slug": "abnormal-lacrimal-gland-morphology",
        "name": "Abnormal lacrimal gland morphology",
        "systems": [
          "abnormality-of-head-or-neck"
        ],
        "frequency": "frequent",
        "url": "https://dantelabs.com/traits/abnormal-lacrimal-gland-morphology"
      },
      {
        "slug": "abnormal-morphology-of-the-limbic-system",
        "name": "Abnormal morphology of the limbic system",
        "systems": [
          "abnormality-of-the-nervous-system"
        ],
        "url": "https://dantelabs.com/traits/abnormal-morphology-of-the-limbic-system"
      },
      {
        "slug": "abnormal-nasolacrimal-system-morphology",
        "name": "Abnormal nasolacrimal system morphology",
        "systems": [
          "abnormality-of-head-or-neck"
        ],
        "url": "https://dantelabs.com/traits/abnormal-nasolacrimal-system-morphology"
      },
      {
        "slug": "abnormal-periosteum-morphology",
        "name": "Abnormal periosteum morphology",
        "systems": [
          "abnormality-of-the-musculoskeletal-system"
        ],
        "frequency": "very-frequent",
        "url": "https://dantelabs.com/traits/abnormal-periosteum-morphology"
      },
      {
        "slug": "abnormal-sacrum-morphology",
        "name": "Abnormal sacrum morphology",
        "systems": [
          "abnormality-of-the-musculoskeletal-system"
        ],
        "frequency": "occasional",
        "url": "https://dantelabs.com/traits/abnormal-sacrum-morphology"
      },
      {
        "slug": "abnormal-semicircular-canal-morphology",
        "name": "Abnormal semicircular canal morphology",
        "systems": [
          "abnormality-of-the-ear"
        ],
        "frequency": "frequent",
        "url": "https://dantelabs.com/traits/abnormal-semicircular-canal-morphology"
      },
      {
        "slug": "abnormal-pelvic-girdle-bone-morphology",
        "name": "Abnormal shape of pelvic girdle bone",
        "systems": [
          "abnormality-of-the-musculoskeletal-system"
        ],
        "url": "https://dantelabs.com/traits/abnormal-pelvic-girdle-bone-morphology"
      },
      {
        "slug": "deviation-of-the-thumb",
        "name": "Abnormal thumb placement",
        "systems": [
          "abnormality-of-limbs",
          "abnormality-of-the-musculoskeletal-system"
        ],
        "frequency": "very-frequent",
        "url": "https://dantelabs.com/traits/deviation-of-the-thumb"
      },
      {
        "slug": "abnormal-dental-enamel-morphology",
        "name": "Abnormal tooth enamel",
        "systems": [
          "abnormality-of-head-or-neck",
          "abnormality-of-the-musculoskeletal-system"
        ],
        "frequency": "frequent",
        "url": "https://dantelabs.com/traits/abnormal-dental-enamel-morphology"
      },
      {
        "slug": "abnormal-vertebral-body-morphology",
        "name": "Abnormal vertebral body morphology",
        "systems": [
          "abnormality-of-the-musculoskeletal-system"
        ],
        "frequency": "occasional",
        "url": "https://dantelabs.com/traits/abnormal-vertebral-body-morphology"
      },
      {
        "slug": "abnormal-digit-morphology",
        "name": "Abnormality of fingers or toes",
        "systems": [
          "abnormality-of-limbs",
          "abnormality-of-the-musculoskeletal-system"
        ],
        "frequency": "frequent",
        "url": "https://dantelabs.com/traits/abnormal-digit-morphology"
      },
      {
        "slug": "abnormal-fibula-morphology",
        "name": "Abnormality of the calf bone",
        "systems": [
          "abnormality-of-limbs",
          "abnormality-of-the-musculoskeletal-system"
        ],
        "frequency": "occasional",
        "url": "https://dantelabs.com/traits/abnormal-fibula-morphology"
      },
      {
        "slug": "abnormality-of-the-eye",
        "name": "Abnormality of the eye",
        "systems": [],
        "frequency": "frequent",
        "url": "https://dantelabs.com/traits/abnormality-of-the-eye"
      },
      {
        "slug": "abnormality-of-the-face",
        "name": "Abnormality of the face",
        "systems": [
          "abnormality-of-head-or-neck"
        ],
        "frequency": "very-frequent",
        "url": "https://dantelabs.com/traits/abnormality-of-the-face"
      },
      {
        "slug": "abnormality-of-the-genitourinary-system",
        "name": "Abnormality of the genitourinary system",
        "systems": [],
        "frequency": "occasional",
        "url": "https://dantelabs.com/traits/abnormality-of-the-genitourinary-system"
      },
      {
        "slug": "abnormal-heart-morphology",
        "name": "Abnormality of the heart",
        "systems": [
          "abnormality-of-the-cardiovascular-system"
        ],
        "frequency": "occasional",
        "url": "https://dantelabs.com/traits/abnormal-heart-morphology"
      },
      {
        "slug": "abnormality-of-the-lower-limb",
        "name": "Abnormality of the lower limb",
        "systems": [
          "abnormality-of-limbs"
        ],
        "frequency": "occasional",
        "url": "https://dantelabs.com/traits/abnormality-of-the-lower-limb"
      },
      {
        "slug": "abnormal-nail-morphology",
        "name": "Abnormality of the nail",
        "systems": [
          "abnormality-of-the-integument"
        ],
        "frequency": "occasional",
        "url": "https://dantelabs.com/traits/abnormal-nail-morphology"
      },
      {
        "slug": "abnormality-of-the-outer-ear",
        "name": "Abnormality of the outer ear",
        "systems": [
          "abnormality-of-the-ear"
        ],
        "frequency": "very-frequent",
        "url": "https://dantelabs.com/traits/abnormality-of-the-outer-ear"
      },
      {
        "slug": "abnormal-palate-morphology",
        "name": "Abnormality of the palate",
        "systems": [
          "abnormality-of-head-or-neck"
        ],
        "frequency": "frequent",
        "url": "https://dantelabs.com/traits/abnormal-palate-morphology"
      },
      {
        "slug": "abnormality-of-the-pancreas",
        "name": "Abnormality of the pancreas",
        "systems": [
          "abnormality-of-the-digestive-system"
        ],
        "frequency": "very-frequent",
        "url": "https://dantelabs.com/traits/abnormality-of-the-pancreas"
      },
      {
        "slug": "abnormal-salivary-gland-morphology",
        "name": "Abnormality of the salivary glands",
        "systems": [
          "abnormality-of-head-or-neck"
        ],
        "frequency": "frequent",
        "url": "https://dantelabs.com/traits/abnormal-salivary-gland-morphology"
      },
      {
        "slug": "abnormal-skull-morphology",
        "name": "Abnormality of the skull",
        "systems": [
          "abnormality-of-head-or-neck",
          "abnormality-of-the-musculoskeletal-system"
        ],
        "frequency": "very-frequent",
        "url": "https://dantelabs.com/traits/abnormal-skull-morphology"
      },
      {
        "slug": "abnormal-thumb-morphology",
        "name": "Abnormality of the thumb",
        "systems": [
          "abnormality-of-limbs",
          "abnormality-of-the-musculoskeletal-system"
        ],
        "frequency": "occasional",
        "url": "https://dantelabs.com/traits/abnormal-thumb-morphology"
      },
      {
        "slug": "abnormality-of-vision",
        "name": "Abnormality of vision",
        "systems": [
          "abnormality-of-the-eye"
        ],
        "frequency": "occasional",
        "url": "https://dantelabs.com/traits/abnormality-of-vision"
      },
      {
        "slug": "hypotelorism",
        "name": "Abnormally close eyes",
        "systems": [
          "abnormality-of-the-eye"
        ],
        "frequency": "occasional",
        "url": "https://dantelabs.com/traits/hypotelorism"
      },
      {
        "slug": "vaginal-atresia",
        "name": "Abnormally closed or absent vagina",
        "systems": [
          "abnormality-of-the-genitourinary-system"
        ],
        "url": "https://dantelabs.com/traits/vaginal-atresia"
      },
      {
        "slug": "abnormal-pinna-morphology",
        "name": "Abnormally shaped ears",
        "systems": [
          "abnormality-of-the-ear"
        ],
        "frequency": "frequent",
        "url": "https://dantelabs.com/traits/abnormal-pinna-morphology"
      },
      {
        "slug": "abnormal-renal-morphology",
        "name": "Abnormally shaped kidney",
        "systems": [
          "abnormality-of-the-genitourinary-system"
        ],
        "url": "https://dantelabs.com/traits/abnormal-renal-morphology"
      },
      {
        "slug": "absence-of-stensen-duct",
        "name": "Absence of Stensen duct",
        "systems": [
          "abnormality-of-head-or-neck"
        ],
        "url": "https://dantelabs.com/traits/absence-of-stensen-duct"
      },
      {
        "slug": "alacrima",
        "name": "Absence of tears in the eyes",
        "systems": [
          "abnormality-of-the-eye"
        ],
        "frequency": "frequent",
        "url": "https://dantelabs.com/traits/alacrima"
      },
      {
        "slug": "absent-first-metatarsal",
        "name": "Absent 1st long bone of foot",
        "systems": [
          "abnormality-of-limbs",
          "abnormality-of-the-musculoskeletal-system"
        ],
        "url": "https://dantelabs.com/traits/absent-first-metatarsal"
      },
      {
        "slug": "anal-atresia",
        "name": "Absent anus",
        "systems": [
          "abnormality-of-the-digestive-system"
        ],
        "frequency": "occasional",
        "url": "https://dantelabs.com/traits/anal-atresia"
      },
      {
        "slug": "atresia-of-the-external-auditory-canal",
        "name": "Absent ear canal",
        "systems": [
          "abnormality-of-the-ear"
        ],
        "frequency": "obligate",
        "url": "https://dantelabs.com/traits/atresia-of-the-external-auditory-canal"
      },
      {
        "slug": "absent-proximal-phalanx-of-thumb",
        "name": "Absent innermost thumb bone",
        "systems": [
          "abnormality-of-limbs",
          "abnormality-of-the-musculoskeletal-system"
        ],
        "url": "https://dantelabs.com/traits/absent-proximal-phalanx-of-thumb"
      },
      {
        "slug": "renal-agenesis",
        "name": "Absent kidney",
        "systems": [
          "abnormality-of-the-genitourinary-system"
        ],
        "url": "https://dantelabs.com/traits/renal-agenesis"
      },
      {
        "slug": "absent-lacrimal-punctum",
        "name": "Absent lacrimal punctum",
        "systems": [
          "abnormality-of-head-or-neck"
        ],
        "frequency": "frequent",
        "url": "https://dantelabs.com/traits/absent-lacrimal-punctum"
      },
      {
        "slug": "absent-septum-pellucidum",
        "name": "Absent septum pellucidum",
        "systems": [
          "abnormality-of-the-nervous-system"
        ],
        "frequency": "frequent",
        "url": "https://dantelabs.com/traits/absent-septum-pellucidum"
      },
      {
        "slug": "lacrimal-duct-aplasia",
        "name": "Absent tear duct",
        "systems": [
          "abnormality-of-head-or-neck"
        ],
        "frequency": "occasional",
        "url": "https://dantelabs.com/traits/lacrimal-duct-aplasia"
      },
      {
        "slug": "lacrimal-gland-aplasia",
        "name": "Absent tear gland",
        "systems": [
          "abnormality-of-head-or-neck"
        ],
        "frequency": "occasional",
        "url": "https://dantelabs.com/traits/lacrimal-gland-aplasia"
      },
      {
        "slug": "absent-thumb",
        "name": "Absent thumb",
        "systems": [
          "abnormality-of-limbs",
          "abnormality-of-the-musculoskeletal-system"
        ],
        "frequency": "occasional",
        "url": "https://dantelabs.com/traits/absent-thumb"
      },
      {
        "slug": "aplasia-hypoplasia-of-the-earlobes",
        "name": "Absent/small ear lobes",
        "systems": [
          "abnormality-of-the-ear"
        ],
        "frequency": "very-frequent",
        "url": "https://dantelabs.com/traits/aplasia-hypoplasia-of-the-earlobes"
      },
      {
        "slug": "aplasia-hypoplasia-of-the-thumb",
        "name": "Absent/small thumb",
        "systems": [
          "abnormality-of-limbs",
          "abnormality-of-the-musculoskeletal-system"
        ],
        "frequency": "very-frequent",
        "url": "https://dantelabs.com/traits/aplasia-hypoplasia-of-the-thumb"
      },
      {
        "slug": "acne",
        "name": "Acne",
        "systems": [
          "abnormality-of-the-immune-system",
          "abnormality-of-the-integument"
        ],
        "url": "https://dantelabs.com/traits/acne"
      },
      {
        "slug": "acrobrachycephaly",
        "name": "Acrobrachycephaly",
        "systems": [
          "abnormality-of-head-or-neck",
          "abnormality-of-the-musculoskeletal-system"
        ],
        "frequency": "very-frequent",
        "url": "https://dantelabs.com/traits/acrobrachycephaly"
      },
      {
        "slug": "agenesis-of-corpus-callosum",
        "name": "Agenesis of corpus callosum",
        "systems": [
          "abnormality-of-the-nervous-system"
        ],
        "frequency": "frequent",
        "url": "https://dantelabs.com/traits/agenesis-of-corpus-callosum"
      },
      {
        "slug": "atrial-septal-defect",
        "name": "An opening in the wall separating the top two chambers of the heart",
        "systems": [
          "abnormality-of-the-cardiovascular-system"
        ],
        "url": "https://dantelabs.com/traits/atrial-septal-defect"
      },
      {
        "slug": "anisometropia",
        "name": "Anisometropia",
        "systems": [
          "abnormality-of-the-eye"
        ],
        "frequency": "occasional",
        "url": "https://dantelabs.com/traits/anisometropia"
      },
      {
        "slug": "anomalous-tracheal-cartilage",
        "name": "Anomalous tracheal cartilage",
        "systems": [
          "abnormality-of-the-respiratory-system"
        ],
        "url": "https://dantelabs.com/traits/anomalous-tracheal-cartilage"
      },
      {
        "slug": "anteriorly-placed-anus",
        "name": "Anteriorly placed anus",
        "systems": [
          "abnormality-of-the-digestive-system"
        ],
        "frequency": "obligate",
        "url": "https://dantelabs.com/traits/anteriorly-placed-anus"
      },
      {
        "slug": "aplasia-of-the-parotid-gland",
        "name": "Aplasia of the parotid gland",
        "systems": [
          "abnormality-of-head-or-neck"
        ],
        "url": "https://dantelabs.com/traits/aplasia-of-the-parotid-gland"
      },
      {
        "slug": "aqueductal-stenosis",
        "name": "Aqueductal stenosis",
        "systems": [
          "abnormality-of-the-nervous-system"
        ],
        "frequency": "very-frequent",
        "url": "https://dantelabs.com/traits/aqueductal-stenosis"
      },
      {
        "slug": "arthritis",
        "name": "Arthritis",
        "systems": [
          "abnormality-of-the-musculoskeletal-system"
        ],
        "frequency": "very-rare",
        "url": "https://dantelabs.com/traits/arthritis"
      },
      {
        "slug": "plagiocephaly",
        "name": "Asymmetry of the posterior head",
        "systems": [
          "abnormality-of-head-or-neck",
          "abnormality-of-the-musculoskeletal-system"
        ],
        "frequency": "frequent",
        "url": "https://dantelabs.com/traits/plagiocephaly"
      },
      {
        "slug": "nail-dysplasia",
        "name": "Atypical nail growth",
        "systems": [
          "abnormality-of-the-integument"
        ],
        "frequency": "very-rare",
        "url": "https://dantelabs.com/traits/nail-dysplasia"
      },
      {
        "slug": "dental-malocclusion",
        "name": "Bad bite",
        "systems": [
          "abnormality-of-head-or-neck"
        ],
        "frequency": "very-frequent",
        "url": "https://dantelabs.com/traits/dental-malocclusion"
      },
      {
        "slug": "convex-nasal-ridge",
        "name": "Beaked nose",
        "systems": [
          "abnormality-of-head-or-neck"
        ],
        "frequency": "obligate",
        "url": "https://dantelabs.com/traits/convex-nasal-ridge"
      },
      {
        "slug": "melanocytic-nevus",
        "name": "Beauty mark",
        "systems": [
          "abnormality-of-the-integument"
        ],
        "frequency": "very-frequent",
        "url": "https://dantelabs.com/traits/melanocytic-nevus"
      },
      {
        "slug": "bell-shaped-thorax",
        "name": "Bell-shaped thorax",
        "systems": [
          "abnormality-of-the-musculoskeletal-system"
        ],
        "frequency": "very-frequent",
        "url": "https://dantelabs.com/traits/bell-shaped-thorax"
      },
      {
        "slug": "bent-long-bone",
        "name": "Bent long bone",
        "systems": [
          "abnormality-of-the-musculoskeletal-system"
        ],
        "frequency": "obligate",
        "url": "https://dantelabs.com/traits/bent-long-bone"
      },
      {
        "slug": "bicoronal-synostosis",
        "name": "Bicoronal synostosis",
        "systems": [
          "abnormality-of-head-or-neck",
          "abnormality-of-the-musculoskeletal-system"
        ],
        "frequency": "very-frequent",
        "url": "https://dantelabs.com/traits/bicoronal-synostosis"
      },
      {
        "slug": "bifid-uvula",
        "name": "Bifid uvula",
        "systems": [
          "abnormality-of-head-or-neck"
        ],
        "frequency": "obligate",
        "url": "https://dantelabs.com/traits/bifid-uvula"
      },
      {
        "slug": "macrocephaly",
        "name": "Big calvaria",
        "systems": [
          "abnormality-of-head-or-neck",
          "abnormality-of-the-musculoskeletal-system"
        ],
        "frequency": "very-frequent",
        "url": "https://dantelabs.com/traits/macrocephaly"
      },
      {
        "slug": "mandibular-prognathia",
        "name": "Big lower jaw",
        "systems": [
          "abnormality-of-head-or-neck",
          "abnormality-of-the-musculoskeletal-system"
        ],
        "frequency": "frequent",
        "url": "https://dantelabs.com/traits/mandibular-prognathia"
      },
      {
        "slug": "bilateral-single-transverse-palmar-creases",
        "name": "Bilateral single transverse palmar creases",
        "systems": [
          "abnormality-of-limbs",
          "abnormality-of-the-integument"
        ],
        "frequency": "frequent",
        "url": "https://dantelabs.com/traits/bilateral-single-transverse-palmar-creases"
      },
      {
        "slug": "bilateral-triphalangeal-thumbs",
        "name": "Bilateral triphalangeal thumbs",
        "systems": [
          "abnormality-of-limbs",
          "abnormality-of-the-musculoskeletal-system"
        ],
        "url": "https://dantelabs.com/traits/bilateral-triphalangeal-thumbs"
      },
      {
        "slug": "esophageal-atresia",
        "name": "Birth defect in which part of esophagus did not develop",
        "systems": [
          "abnormality-of-the-digestive-system"
        ],
        "frequency": "occasional",
        "url": "https://dantelabs.com/traits/esophageal-atresia"
      },
      {
        "slug": "choanal-atresia",
        "name": "Blockage of the rear opening of the nasal cavity",
        "systems": [
          "abnormality-of-head-or-neck"
        ],
        "frequency": "very-frequent",
        "url": "https://dantelabs.com/traits/choanal-atresia"
      },
      {
        "slug": "nasolacrimal-duct-obstruction",
        "name": "Blocked tear duct",
        "systems": [
          "abnormality-of-head-or-neck"
        ],
        "url": "https://dantelabs.com/traits/nasolacrimal-duct-obstruction"
      },
      {
        "slug": "natal-tooth",
        "name": "Born with teeth",
        "systems": [
          "abnormality-of-head-or-neck"
        ],
        "frequency": "obligate",
        "url": "https://dantelabs.com/traits/natal-tooth"
      },
      {
        "slug": "bowing-of-the-legs",
        "name": "Bowed legs",
        "systems": [
          "abnormality-of-limbs",
          "abnormality-of-the-musculoskeletal-system"
        ],
        "frequency": "occasional",
        "url": "https://dantelabs.com/traits/bowing-of-the-legs"
      },
      {
        "slug": "femoral-bowing",
        "name": "Bowed thighbone",
        "systems": [
          "abnormality-of-limbs",
          "abnormality-of-the-musculoskeletal-system"
        ],
        "url": "https://dantelabs.com/traits/femoral-bowing"
      },
      {
        "slug": "breast-carcinoma",
        "name": "Breast cancer",
        "systems": [
          "abnormality-of-the-breast",
          "neoplasm"
        ],
        "url": "https://dantelabs.com/traits/breast-carcinoma"
      },
      {
        "slug": "breath-holding-spell",
        "name": "Breath-holding spell",
        "systems": [
          "abnormality-of-the-respiratory-system"
        ],
        "url": "https://dantelabs.com/traits/breath-holding-spell"
      },
      {
        "slug": "respiratory-distress",
        "name": "Breathing difficulties",
        "systems": [
          "abnormality-of-the-respiratory-system"
        ],
        "frequency": "very-frequent",
        "url": "https://dantelabs.com/traits/respiratory-distress"
      },
      {
        "slug": "broad-hallux",
        "name": "Broad big toe",
        "systems": [
          "abnormality-of-limbs",
          "abnormality-of-the-musculoskeletal-system"
        ],
        "frequency": "obligate",
        "url": "https://dantelabs.com/traits/broad-hallux"
      },
      {
        "slug": "broad-hallux-phalanx",
        "name": "Broad bone of big toe",
        "systems": [
          "abnormality-of-limbs",
          "abnormality-of-the-musculoskeletal-system"
        ],
        "frequency": "very-frequent",
        "url": "https://dantelabs.com/traits/broad-hallux-phalanx"
      },
      {
        "slug": "broad-distal-hallux",
        "name": "Broad distal hallux",
        "systems": [
          "abnormality-of-limbs",
          "abnormality-of-the-musculoskeletal-system"
        ],
        "url": "https://dantelabs.com/traits/broad-distal-hallux"
      },
      {
        "slug": "broad-forehead",
        "name": "Broad forehead",
        "systems": [
          "abnormality-of-head-or-neck"
        ],
        "frequency": "very-frequent",
        "url": "https://dantelabs.com/traits/broad-forehead"
      },
      {
        "slug": "brachycephaly",
        "name": "Broad head shape",
        "systems": [
          "abnormality-of-head-or-neck",
          "abnormality-of-the-musculoskeletal-system"
        ],
        "frequency": "very-frequent",
        "url": "https://dantelabs.com/traits/brachycephaly"
      },
      {
        "slug": "broad-proximal-phalanx-of-the-hallux",
        "name": "Broad innermost bone of the big toe",
        "systems": [
          "abnormality-of-limbs",
          "abnormality-of-the-musculoskeletal-system"
        ],
        "frequency": "frequent",
        "url": "https://dantelabs.com/traits/broad-proximal-phalanx-of-the-hallux"
      },
      {
        "slug": "broad-distal-phalanx-of-the-hallux",
        "name": "Broad outermost bone of big toe",
        "systems": [
          "abnormality-of-limbs",
          "abnormality-of-the-musculoskeletal-system"
        ],
        "frequency": "frequent",
        "url": "https://dantelabs.com/traits/broad-distal-phalanx-of-the-hallux"
      },
      {
        "slug": "broad-distal-phalanx-of-the-thumb",
        "name": "Broad outermost bone of the thumb",
        "systems": [
          "abnormality-of-limbs",
          "abnormality-of-the-musculoskeletal-system"
        ],
        "url": "https://dantelabs.com/traits/broad-distal-phalanx-of-the-thumb"
      },
      {
        "slug": "broad-thumb",
        "name": "Broad thumb",
        "systems": [
          "abnormality-of-limbs",
          "abnormality-of-the-musculoskeletal-system"
        ],
        "frequency": "very-frequent",
        "url": "https://dantelabs.com/traits/broad-thumb"
      },
      {
        "slug": "broad-toe",
        "name": "Broad toe",
        "systems": [
          "abnormality-of-limbs",
          "abnormality-of-the-musculoskeletal-system"
        ],
        "frequency": "occasional",
        "url": "https://dantelabs.com/traits/broad-toe"
      },
      {
        "slug": "bronchomalacia",
        "name": "Bronchomalacia",
        "systems": [
          "abnormality-of-the-respiratory-system"
        ],
        "url": "https://dantelabs.com/traits/bronchomalacia"
      },
      {
        "slug": "proptosis",
        "name": "Bulging eye",
        "systems": [
          "abnormality-of-the-eye"
        ],
        "frequency": "obligate",
        "url": "https://dantelabs.com/traits/proptosis"
      },
      {
        "slug": "hallux-valgus",
        "name": "Bunion",
        "systems": [
          "abnormality-of-limbs",
          "abnormality-of-the-musculoskeletal-system"
        ],
        "frequency": "occasional",
        "url": "https://dantelabs.com/traits/hallux-valgus"
      },
      {
        "slug": "calcaneonavicular-fusion",
        "name": "Calcaneonavicular fusion",
        "systems": [
          "abnormality-of-limbs",
          "abnormality-of-the-musculoskeletal-system"
        ],
        "frequency": "occasional",
        "url": "https://dantelabs.com/traits/calcaneonavicular-fusion"
      },
      {
        "slug": "iris-coloboma",
        "name": "Cat eye",
        "systems": [
          "abnormality-of-the-eye"
        ],
        "frequency": "occasional",
        "url": "https://dantelabs.com/traits/iris-coloboma"
      },
      {
        "slug": "cervical-c5-c6-vertebrae-fusion",
        "name": "Cervical C5/C6 vertebrae fusion",
        "systems": [
          "abnormality-of-the-musculoskeletal-system"
        ],
        "frequency": "frequent",
        "url": "https://dantelabs.com/traits/cervical-c5-c6-vertebrae-fusion"
      },
      {
        "slug": "cervical-c6-c7-vertebrae-fusion",
        "name": "Cervical C6/C7 vertebrae fusion",
        "systems": [
          "abnormality-of-the-musculoskeletal-system"
        ],
        "url": "https://dantelabs.com/traits/cervical-c6-c7-vertebrae-fusion"
      },
      {
        "slug": "hypoplasia-of-the-zygomatic-bone",
        "name": "Cheekbone underdevelopment",
        "systems": [
          "abnormality-of-head-or-neck",
          "abnormality-of-the-musculoskeletal-system"
        ],
        "frequency": "very-frequent",
        "url": "https://dantelabs.com/traits/hypoplasia-of-the-zygomatic-bone"
      },
      {
        "slug": "chiari-malformation",
        "name": "Chiari malformation",
        "systems": [
          "abnormality-of-the-nervous-system"
        ],
        "frequency": "obligate",
        "url": "https://dantelabs.com/traits/chiari-malformation"
      },
      {
        "slug": "chiari-type-i-malformation",
        "name": "Chiari type I malformation",
        "systems": [
          "abnormality-of-the-nervous-system"
        ],
        "url": "https://dantelabs.com/traits/chiari-type-i-malformation"
      },
      {
        "slug": "chronic-otitis-media",
        "name": "Chronic infections of the middle ear",
        "systems": [
          "abnormality-of-the-ear",
          "abnormality-of-the-immune-system"
        ],
        "frequency": "frequent",
        "url": "https://dantelabs.com/traits/chronic-otitis-media"
      },
      {
        "slug": "cleft-of-chin",
        "name": "Cleft of chin",
        "systems": [
          "abnormality-of-head-or-neck"
        ],
        "url": "https://dantelabs.com/traits/cleft-of-chin"
      },
      {
        "slug": "bifid-scrotum",
        "name": "Cleft of scrotum",
        "systems": [
          "abnormality-of-the-genitourinary-system"
        ],
        "frequency": "frequent",
        "url": "https://dantelabs.com/traits/bifid-scrotum"
      },
      {
        "slug": "orofacial-cleft",
        "name": "Cleft of the mouth",
        "systems": [
          "abnormality-of-head-or-neck"
        ],
        "frequency": "very-rare",
        "url": "https://dantelabs.com/traits/orofacial-cleft"
      },
      {
        "slug": "cleft-palate",
        "name": "Cleft palate",
        "systems": [
          "abnormality-of-head-or-neck"
        ],
        "frequency": "occasional",
        "url": "https://dantelabs.com/traits/cleft-palate"
      },
      {
        "slug": "myopia",
        "name": "Close sighted",
        "systems": [
          "abnormality-of-the-eye"
        ],
        "frequency": "frequent",
        "url": "https://dantelabs.com/traits/myopia"
      },
      {
        "slug": "cloverleaf-skull",
        "name": "Cloverleaf cranium shape",
        "systems": [
          "abnormality-of-head-or-neck",
          "abnormality-of-the-musculoskeletal-system"
        ],
        "frequency": "obligate",
        "url": "https://dantelabs.com/traits/cloverleaf-skull"
      },
      {
        "slug": "conductive-hearing-impairment",
        "name": "Conductive deafness",
        "systems": [
          "abnormality-of-the-ear"
        ],
        "frequency": "obligate",
        "url": "https://dantelabs.com/traits/conductive-hearing-impairment"
      },
      {
        "slug": "conical-incisor",
        "name": "Cone shaped front tooth",
        "systems": [
          "abnormality-of-head-or-neck"
        ],
        "frequency": "occasional",
        "url": "https://dantelabs.com/traits/conical-incisor"
      },
      {
        "slug": "keratitis",
        "name": "Corneal inflammation",
        "systems": [
          "abnormality-of-the-eye",
          "abnormality-of-the-immune-system"
        ],
        "url": "https://dantelabs.com/traits/keratitis"
      },
      {
        "slug": "corneal-perforation",
        "name": "Corneal perforation",
        "systems": [
          "abnormality-of-the-eye"
        ],
        "url": "https://dantelabs.com/traits/corneal-perforation"
      },
      {
        "slug": "corneal-ulceration",
        "name": "Corneal ulceration",
        "systems": [
          "abnormality-of-the-eye"
        ],
        "frequency": "occasional",
        "url": "https://dantelabs.com/traits/corneal-ulceration"
      },
      {
        "slug": "telecanthus",
        "name": "Corners of eye widely separated",
        "systems": [
          "abnormality-of-head-or-neck"
        ],
        "frequency": "occasional",
        "url": "https://dantelabs.com/traits/telecanthus"
      },
      {
        "slug": "coronal-craniosynostosis",
        "name": "Coronal craniosynostosis",
        "systems": [
          "abnormality-of-head-or-neck",
          "abnormality-of-the-musculoskeletal-system"
        ],
        "frequency": "obligate",
        "url": "https://dantelabs.com/traits/coronal-craniosynostosis"
      },
      {
        "slug": "coronal-hypospadias",
        "name": "Coronal hypospadias",
        "systems": [
          "abnormality-of-the-genitourinary-system"
        ],
        "url": "https://dantelabs.com/traits/coronal-hypospadias"
      },
      {
        "slug": "craniofacial-dysostosis",
        "name": "Craniofacial dysostosis",
        "systems": [
          "abnormality-of-head-or-neck",
          "abnormality-of-the-musculoskeletal-system"
        ],
        "url": "https://dantelabs.com/traits/craniofacial-dysostosis"
      },
      {
        "slug": "infra-orbital-crease",
        "name": "Crease in skin under the eye",
        "systems": [
          "abnormality-of-head-or-neck"
        ],
        "frequency": "obligate",
        "url": "https://dantelabs.com/traits/infra-orbital-crease"
      },
      {
        "slug": "strabismus",
        "name": "Cross-eyed",
        "systems": [
          "abnormality-of-the-eye"
        ],
        "frequency": "frequent",
        "url": "https://dantelabs.com/traits/strabismus"
      },
      {
        "slug": "cupped-ear",
        "name": "Cupped ear",
        "systems": [
          "abnormality-of-the-ear"
        ],
        "frequency": "obligate",
        "url": "https://dantelabs.com/traits/cupped-ear"
      },
      {
        "slug": "clinodactyly",
        "name": "Curvature of digit",
        "systems": [
          "abnormality-of-limbs",
          "abnormality-of-the-musculoskeletal-system"
        ],
        "frequency": "occasional",
        "url": "https://dantelabs.com/traits/clinodactyly"
      },
      {
        "slug": "clinodactyly-of-the-5th-finger",
        "name": "Curvature of little finger",
        "systems": [
          "abnormality-of-limbs",
          "abnormality-of-the-musculoskeletal-system"
        ],
        "frequency": "very-frequent",
        "url": "https://dantelabs.com/traits/clinodactyly-of-the-5th-finger"
      },
      {
        "slug": "ulnar-bowing",
        "name": "Curving of inner forearm bone",
        "systems": [
          "abnormality-of-limbs",
          "abnormality-of-the-musculoskeletal-system"
        ],
        "url": "https://dantelabs.com/traits/ulnar-bowing"
      },
      {
        "slug": "cutaneous-syndactyly",
        "name": "Cutaneous syndactyly",
        "systems": [
          "abnormality-of-limbs",
          "abnormality-of-the-musculoskeletal-system"
        ],
        "frequency": "frequent",
        "url": "https://dantelabs.com/traits/cutaneous-syndactyly"
      },
      {
        "slug": "dacryocystitis",
        "name": "Dacryocystitis",
        "systems": [
          "abnormality-of-head-or-neck"
        ],
        "url": "https://dantelabs.com/traits/dacryocystitis"
      },
      {
        "slug": "corneal-erosion",
        "name": "Damage to outer layer of the cornea of the eye",
        "systems": [
          "abnormality-of-the-eye"
        ],
        "frequency": "occasional",
        "url": "https://dantelabs.com/traits/corneal-erosion"
      },
      {
        "slug": "acanthosis-nigricans",
        "name": "Darkened and thickened skin",
        "systems": [
          "abnormality-of-the-integument"
        ],
        "frequency": "obligate",
        "url": "https://dantelabs.com/traits/acanthosis-nigricans"
      },
      {
        "slug": "decreased-corneal-sensation",
        "name": "Decreased corneal sensation",
        "systems": [
          "abnormality-of-the-eye"
        ],
        "frequency": "occasional",
        "url": "https://dantelabs.com/traits/decreased-corneal-sensation"
      },
      {
        "slug": "shallow-orbits",
        "name": "Decreased depth of eye sockets",
        "systems": [
          "abnormality-of-head-or-neck",
          "abnormality-of-the-eye",
          "abnormality-of-the-musculoskeletal-system"
        ],
        "frequency": "frequent",
        "url": "https://dantelabs.com/traits/shallow-orbits"
      },
      {
        "slug": "tooth-agenesis",
        "name": "Decreased number of teeth",
        "systems": [
          "abnormality-of-head-or-neck"
        ],
        "frequency": "very-frequent",
        "url": "https://dantelabs.com/traits/tooth-agenesis"
      },
      {
        "slug": "xerostomia",
        "name": "Decreased salivary flow",
        "systems": [
          "abnormality-of-head-or-neck"
        ],
        "frequency": "frequent",
        "url": "https://dantelabs.com/traits/xerostomia"
      },
      {
        "slug": "hypoplasia-of-the-maxilla",
        "name": "Decreased size of maxilla",
        "systems": [
          "abnormality-of-head-or-neck",
          "abnormality-of-the-musculoskeletal-system"
        ],
        "frequency": "very-frequent",
        "url": "https://dantelabs.com/traits/hypoplasia-of-the-maxilla"
      },
      {
        "slug": "microdontia",
        "name": "Decreased size of tooth",
        "systems": [
          "abnormality-of-head-or-neck"
        ],
        "frequency": "frequent",
        "url": "https://dantelabs.com/traits/microdontia"
      },
      {
        "slug": "craniosynostosis",
        "name": "Deformity of the skull",
        "systems": [
          "abnormality-of-head-or-neck",
          "abnormality-of-the-musculoskeletal-system"
        ],
        "frequency": "obligate",
        "url": "https://dantelabs.com/traits/craniosynostosis"
      },
      {
        "slug": "delayed-cranial-suture-closure",
        "name": "Delayed cranial suture closure",
        "systems": [
          "abnormality-of-head-or-neck",
          "abnormality-of-the-musculoskeletal-system"
        ],
        "frequency": "frequent",
        "url": "https://dantelabs.com/traits/delayed-cranial-suture-closure"
      },
      {
        "slug": "delayed-eruption-of-primary-teeth",
        "name": "Delayed eruption of baby teeth",
        "systems": [
          "abnormality-of-head-or-neck"
        ],
        "url": "https://dantelabs.com/traits/delayed-eruption-of-primary-teeth"
      },
      {
        "slug": "delayed-eruption-of-teeth",
        "name": "Delayed eruption of teeth",
        "systems": [
          "abnormality-of-head-or-neck"
        ],
        "frequency": "frequent",
        "url": "https://dantelabs.com/traits/delayed-eruption-of-teeth"
      },
      {
        "slug": "delayed-epiphyseal-ossification",
        "name": "Delayed maturation of end part of long bone",
        "systems": [
          "abnormality-of-the-musculoskeletal-system"
        ],
        "frequency": "frequent",
        "url": "https://dantelabs.com/traits/delayed-epiphyseal-ossification"
      },
      {
        "slug": "carious-teeth",
        "name": "Dental cavities",
        "systems": [
          "abnormality-of-head-or-neck"
        ],
        "frequency": "frequent",
        "url": "https://dantelabs.com/traits/carious-teeth"
      },
      {
        "slug": "dental-crowding",
        "name": "Dental crowding",
        "systems": [
          "abnormality-of-head-or-neck"
        ],
        "frequency": "very-frequent",
        "url": "https://dantelabs.com/traits/dental-crowding"
      },
      {
        "slug": "depressed-nasal-bridge",
        "name": "Depressed nasal bridge",
        "systems": [
          "abnormality-of-head-or-neck"
        ],
        "frequency": "obligate",
        "url": "https://dantelabs.com/traits/depressed-nasal-bridge"
      },
      {
        "slug": "metopic-depression",
        "name": "Depression of frontal cranial suture",
        "systems": [
          "abnormality-of-head-or-neck",
          "abnormality-of-the-musculoskeletal-system"
        ],
        "frequency": "very-frequent",
        "url": "https://dantelabs.com/traits/metopic-depression"
      },
      {
        "slug": "deviated-nasal-septum",
        "name": "Deviated nasal septum",
        "systems": [
          "abnormality-of-head-or-neck"
        ],
        "frequency": "obligate",
        "url": "https://dantelabs.com/traits/deviated-nasal-septum"
      },
      {
        "slug": "downslanted-palpebral-fissures",
        "name": "Downward slanting of the opening between the eyelids",
        "systems": [
          "abnormality-of-head-or-neck"
        ],
        "frequency": "obligate",
        "url": "https://dantelabs.com/traits/downslanted-palpebral-fissures"
      },
      {
        "slug": "ptosis",
        "name": "Drooping upper eyelid",
        "systems": [
          "abnormality-of-the-eye"
        ],
        "frequency": "obligate",
        "url": "https://dantelabs.com/traits/ptosis"
      },
      {
        "slug": "keratoconjunctivitis-sicca",
        "name": "Dry eye syndrome",
        "systems": [
          "abnormality-of-head-or-neck",
          "abnormality-of-the-cardiovascular-system",
          "abnormality-of-the-eye",
          "abnormality-of-the-immune-system"
        ],
        "frequency": "frequent",
        "url": "https://dantelabs.com/traits/keratoconjunctivitis-sicca"
      },
      {
        "slug": "duplication-of-the-distal-phalanx-of-the-hallux",
        "name": "Duplication of the outermost bone of big toe",
        "systems": [
          "abnormality-of-limbs",
          "abnormality-of-the-musculoskeletal-system"
        ],
        "frequency": "occasional",
        "url": "https://dantelabs.com/traits/duplication-of-the-distal-phalanx-of-the-hallux"
      },
      {
        "slug": "duplication-of-thumb-phalanx",
        "name": "Duplication of thumb phalanx",
        "systems": [
          "abnormality-of-limbs",
          "abnormality-of-the-musculoskeletal-system"
        ],
        "frequency": "occasional",
        "url": "https://dantelabs.com/traits/duplication-of-thumb-phalanx"
      },
      {
        "slug": "dysgerminoma",
        "name": "Dysgerminoma",
        "systems": [
          "abnormality-of-the-genitourinary-system",
          "neoplasm"
        ],
        "url": "https://dantelabs.com/traits/dysgerminoma"
      },
      {
        "slug": "sagittal-craniosynostosis",
        "name": "Early closure of midline skull joint",
        "systems": [
          "abnormality-of-head-or-neck",
          "abnormality-of-the-musculoskeletal-system"
        ],
        "frequency": "frequent",
        "url": "https://dantelabs.com/traits/sagittal-craniosynostosis"
      },
      {
        "slug": "posteriorly-rotated-ears",
        "name": "Ears rotated toward back of head",
        "systems": [
          "abnormality-of-the-ear"
        ],
        "frequency": "obligate",
        "url": "https://dantelabs.com/traits/posteriorly-rotated-ears"
      },
      {
        "slug": "elbow-ankylosis",
        "name": "Elbow ankylosis",
        "systems": [
          "abnormality-of-limbs",
          "abnormality-of-the-musculoskeletal-system"
        ],
        "url": "https://dantelabs.com/traits/elbow-ankylosis"
      },
      {
        "slug": "megalencephaly",
        "name": "Enlarged brain",
        "systems": [
          "abnormality-of-the-nervous-system"
        ],
        "url": "https://dantelabs.com/traits/megalencephaly"
      },
      {
        "slug": "clitoral-hypertrophy",
        "name": "Enlarged clitoris",
        "systems": [
          "abnormality-of-the-genitourinary-system"
        ],
        "frequency": "obligate",
        "url": "https://dantelabs.com/traits/clitoral-hypertrophy"
      },
      {
        "slug": "megalocornea",
        "name": "Enlarged cornea",
        "systems": [
          "abnormality-of-the-eye"
        ],
        "frequency": "very-frequent",
        "url": "https://dantelabs.com/traits/megalocornea"
      },
      {
        "slug": "buphthalmos",
        "name": "Enlarged eyeball",
        "systems": [
          "abnormality-of-the-eye"
        ],
        "url": "https://dantelabs.com/traits/buphthalmos"
      },
      {
        "slug": "hepatosplenomegaly",
        "name": "Enlarged liver and spleen",
        "systems": [
          "abnormality-of-the-cardiovascular-system",
          "abnormality-of-the-digestive-system",
          "abnormality-of-the-immune-system"
        ],
        "frequency": "occasional",
        "url": "https://dantelabs.com/traits/hepatosplenomegaly"
      },
      {
        "slug": "seizure",
        "name": "Epilepsy",
        "systems": [
          "abnormality-of-the-nervous-system"
        ],
        "frequency": "frequent",
        "url": "https://dantelabs.com/traits/seizure"
      },
      {
        "slug": "hirsutism",
        "name": "Excessive hairiness",
        "systems": [
          "abnormality-of-the-integument"
        ],
        "frequency": "obligate",
        "url": "https://dantelabs.com/traits/hirsutism"
      },
      {
        "slug": "hyperhidrosis",
        "name": "Excessive sweating",
        "systems": [
          "abnormality-of-the-integument"
        ],
        "frequency": "frequent",
        "url": "https://dantelabs.com/traits/hyperhidrosis"
      },
      {
        "slug": "palmoplantar-cutis-laxa",
        "name": "Excessive wrinkled skin of palms and soles",
        "systems": [
          "abnormality-of-limbs",
          "abnormality-of-the-integument"
        ],
        "frequency": "obligate",
        "url": "https://dantelabs.com/traits/palmoplantar-cutis-laxa"
      },
      {
        "slug": "exodeviation",
        "name": "Exodeviation",
        "systems": [
          "abnormality-of-the-eye"
        ],
        "frequency": "obligate",
        "url": "https://dantelabs.com/traits/exodeviation"
      },
      {
        "slug": "postaxial-hand-polydactyly",
        "name": "Extra little finger",
        "systems": [
          "abnormality-of-limbs",
          "abnormality-of-the-musculoskeletal-system"
        ],
        "frequency": "occasional",
        "url": "https://dantelabs.com/traits/postaxial-hand-polydactyly"
      },
      {
        "slug": "preaxial-hand-polydactyly",
        "name": "Extra thumb",
        "systems": [
          "abnormality-of-limbs",
          "abnormality-of-the-musculoskeletal-system"
        ],
        "frequency": "occasional",
        "url": "https://dantelabs.com/traits/preaxial-hand-polydactyly"
      },
      {
        "slug": "extramedullary-hematopoiesis",
        "name": "Extramedullary hematopoiesis",
        "systems": [
          "abnormality-of-blood-and-blood-forming-tissues"
        ],
        "frequency": "very-frequent",
        "url": "https://dantelabs.com/traits/extramedullary-hematopoiesis"
      },
      {
        "slug": "epicanthus",
        "name": "Eye folds",
        "systems": [
          "abnormality-of-head-or-neck"
        ],
        "frequency": "occasional",
        "url": "https://dantelabs.com/traits/epicanthus"
      },
      {
        "slug": "blepharospasm",
        "name": "Eyelid spasm",
        "systems": [
          "abnormality-of-head-or-neck",
          "abnormality-of-the-nervous-system"
        ],
        "frequency": "frequent",
        "url": "https://dantelabs.com/traits/blepharospasm"
      },
      {
        "slug": "facial-asymmetry",
        "name": "Facial asymmetry",
        "systems": [
          "abnormality-of-head-or-neck"
        ],
        "frequency": "very-frequent",
        "url": "https://dantelabs.com/traits/facial-asymmetry"
      },
      {
        "slug": "hypodontia",
        "name": "Failure of development of between one and six teeth",
        "systems": [
          "abnormality-of-head-or-neck"
        ],
        "frequency": "frequent",
        "url": "https://dantelabs.com/traits/hypodontia"
      },
      {
        "slug": "feeding-difficulties-in-infancy",
        "name": "Feeding difficulties in infancy",
        "systems": [
          "abnormality-of-the-digestive-system"
        ],
        "frequency": "obligate",
        "url": "https://dantelabs.com/traits/feeding-difficulties-in-infancy"
      },
      {
        "slug": "finger-syndactyly",
        "name": "Finger syndactyly",
        "systems": [
          "abnormality-of-limbs",
          "abnormality-of-the-musculoskeletal-system"
        ],
        "frequency": "obligate",
        "url": "https://dantelabs.com/traits/finger-syndactyly"
      },
      {
        "slug": "triphalangeal-thumb",
        "name": "Finger-like thumb",
        "systems": [
          "abnormality-of-limbs",
          "abnormality-of-the-musculoskeletal-system"
        ],
        "frequency": "occasional",
        "url": "https://dantelabs.com/traits/triphalangeal-thumb"
      },
      {
        "slug": "subcutaneous-nodule",
        "name": "Firm lump under the skin",
        "systems": [
          "abnormality-of-the-integument"
        ],
        "frequency": "very-frequent",
        "url": "https://dantelabs.com/traits/subcutaneous-nodule"
      },
      {
        "slug": "flat-occiput",
        "name": "Flat back of skull",
        "systems": [
          "abnormality-of-head-or-neck",
          "abnormality-of-the-musculoskeletal-system"
        ],
        "frequency": "obligate",
        "url": "https://dantelabs.com/traits/flat-occiput"
      },
      {
        "slug": "flat-face",
        "name": "Flat face",
        "systems": [
          "abnormality-of-head-or-neck"
        ],
        "frequency": "very-frequent",
        "url": "https://dantelabs.com/traits/flat-face"
      },
      {
        "slug": "flat-forehead",
        "name": "Flat forehead",
        "systems": [
          "abnormality-of-head-or-neck"
        ],
        "url": "https://dantelabs.com/traits/flat-forehead"
      },
      {
        "slug": "underdeveloped-supraorbital-ridges",
        "name": "Flattened bony protrusion above eyes",
        "systems": [
          "abnormality-of-head-or-neck"
        ],
        "frequency": "obligate",
        "url": "https://dantelabs.com/traits/underdeveloped-supraorbital-ridges"
      },
      {
        "slug": "flexion-contracture",
        "name": "Flexed joint that cannot be straightened",
        "systems": [
          "abnormality-of-the-musculoskeletal-system"
        ],
        "url": "https://dantelabs.com/traits/flexion-contracture"
      },
      {
        "slug": "tracheomalacia",
        "name": "Floppy windpipe",
        "systems": [
          "abnormality-of-the-respiratory-system"
        ],
        "frequency": "very-frequent",
        "url": "https://dantelabs.com/traits/tracheomalacia"
      },
      {
        "slug": "arachnoid-cyst",
        "name": "Fluid-filled sac located in membrane surrounding brain or spinal cord",
        "systems": [
          "abnormality-of-the-nervous-system"
        ],
        "frequency": "occasional",
        "url": "https://dantelabs.com/traits/arachnoid-cyst"
      },
      {
        "slug": "frontal-bossing",
        "name": "Frontal bossing",
        "systems": [
          "abnormality-of-head-or-neck",
          "abnormality-of-the-musculoskeletal-system"
        ],
        "frequency": "obligate",
        "url": "https://dantelabs.com/traits/frontal-bossing"
      },
      {
        "slug": "periorbital-fullness",
        "name": "Fullness around the eyes",
        "systems": [
          "abnormality-of-head-or-neck"
        ],
        "url": "https://dantelabs.com/traits/periorbital-fullness"
      },
      {
        "slug": "cutis-gyrata-of-scalp",
        "name": "Furrows in thickened skin on top of scalp",
        "systems": [
          "abnormality-of-head-or-neck",
          "abnormality-of-the-integument"
        ],
        "frequency": "obligate",
        "url": "https://dantelabs.com/traits/cutis-gyrata-of-scalp"
      },
      {
        "slug": "finger-symphalangism",
        "name": "Fused finger bones",
        "systems": [
          "abnormality-of-limbs",
          "abnormality-of-the-musculoskeletal-system"
        ],
        "frequency": "occasional",
        "url": "https://dantelabs.com/traits/finger-symphalangism"
      },
      {
        "slug": "radioulnar-synostosis",
        "name": "Fused forearm bones",
        "systems": [
          "abnormality-of-limbs",
          "abnormality-of-the-musculoskeletal-system"
        ],
        "frequency": "occasional",
        "url": "https://dantelabs.com/traits/radioulnar-synostosis"
      },
      {
        "slug": "fused-labia-minora",
        "name": "Fused inner lips",
        "systems": [
          "abnormality-of-the-genitourinary-system"
        ],
        "url": "https://dantelabs.com/traits/fused-labia-minora"
      },
      {
        "slug": "toe-syndactyly",
        "name": "Fused toes",
        "systems": [
          "abnormality-of-limbs",
          "abnormality-of-the-musculoskeletal-system"
        ],
        "frequency": "very-frequent",
        "url": "https://dantelabs.com/traits/toe-syndactyly"
      },
      {
        "slug": "humeroradial-synostosis",
        "name": "Fusion of upper and lower arm bones",
        "systems": [
          "abnormality-of-limbs",
          "abnormality-of-the-musculoskeletal-system"
        ],
        "url": "https://dantelabs.com/traits/humeroradial-synostosis"
      },
      {
        "slug": "synostosis-of-carpal-bones",
        "name": "Fusion of wrist bones",
        "systems": [
          "abnormality-of-limbs",
          "abnormality-of-the-musculoskeletal-system"
        ],
        "url": "https://dantelabs.com/traits/synostosis-of-carpal-bones"
      },
      {
        "slug": "glenoid-dysplasia",
        "name": "Glenoid dysplasia",
        "systems": [
          "abnormality-of-the-musculoskeletal-system"
        ],
        "url": "https://dantelabs.com/traits/glenoid-dysplasia"
      },
      {
        "slug": "global-developmental-delay",
        "name": "Global developmental delay",
        "systems": [
          "abnormality-of-the-nervous-system"
        ],
        "frequency": "obligate",
        "url": "https://dantelabs.com/traits/global-developmental-delay"
      },
      {
        "slug": "growth-abnormality",
        "name": "Growth abnormality",
        "systems": [],
        "url": "https://dantelabs.com/traits/growth-abnormality"
      },
      {
        "slug": "gingival-overgrowth",
        "name": "Gum enlargement",
        "systems": [
          "abnormality-of-head-or-neck"
        ],
        "frequency": "obligate",
        "url": "https://dantelabs.com/traits/gingival-overgrowth"
      },
      {
        "slug": "hallux-varus",
        "name": "Hallux varus",
        "systems": [
          "abnormality-of-limbs",
          "abnormality-of-the-musculoskeletal-system"
        ],
        "frequency": "very-frequent",
        "url": "https://dantelabs.com/traits/hallux-varus"
      },
      {
        "slug": "headache",
        "name": "Headache",
        "systems": [
          "abnormality-of-the-nervous-system"
        ],
        "frequency": "occasional",
        "url": "https://dantelabs.com/traits/headache"
      },
      {
        "slug": "hearing-abnormality",
        "name": "Hearing abnormality",
        "systems": [
          "abnormality-of-the-ear"
        ],
        "frequency": "very-frequent",
        "url": "https://dantelabs.com/traits/hearing-abnormality"
      },
      {
        "slug": "hearing-impairment",
        "name": "Hearing impairment",
        "systems": [
          "abnormality-of-the-ear"
        ],
        "frequency": "obligate",
        "url": "https://dantelabs.com/traits/hearing-impairment"
      },
      {
        "slug": "bicornuate-uterus",
        "name": "Heart shaped uterus",
        "systems": [
          "abnormality-of-the-genitourinary-system"
        ],
        "frequency": "very-rare",
        "url": "https://dantelabs.com/traits/bicornuate-uterus"
      },
      {
        "slug": "hypertension",
        "name": "High blood pressure",
        "systems": [
          "abnormality-of-the-cardiovascular-system"
        ],
        "frequency": "obligate",
        "url": "https://dantelabs.com/traits/hypertension"
      },
      {
        "slug": "high-forehead",
        "name": "High forehead",
        "systems": [
          "abnormality-of-head-or-neck"
        ],
        "frequency": "very-frequent",
        "url": "https://dantelabs.com/traits/high-forehead"
      },
      {
        "slug": "polyhydramnios",
        "name": "High levels of amniotic fluid",
        "systems": [
          "abnormality-of-prenatal-development-or-birth"
        ],
        "frequency": "frequent",
        "url": "https://dantelabs.com/traits/polyhydramnios"
      },
      {
        "slug": "high-palate",
        "name": "High palate",
        "systems": [
          "abnormality-of-head-or-neck"
        ],
        "frequency": "obligate",
        "url": "https://dantelabs.com/traits/high-palate"
      },
      {
        "slug": "brachyturricephaly",
        "name": "High, prominent forehead",
        "systems": [
          "abnormality-of-head-or-neck",
          "abnormality-of-the-musculoskeletal-system"
        ],
        "frequency": "obligate",
        "url": "https://dantelabs.com/traits/brachyturricephaly"
      },
      {
        "slug": "ventricular-septal-defect",
        "name": "Hole in heart wall separating two lower heart chambers",
        "systems": [
          "abnormality-of-the-cardiovascular-system"
        ],
        "url": "https://dantelabs.com/traits/ventricular-septal-defect"
      },
      {
        "slug": "parietal-foramina",
        "name": "Holes in parietal bones",
        "systems": [
          "abnormality-of-head-or-neck",
          "abnormality-of-the-musculoskeletal-system"
        ],
        "frequency": "occasional",
        "url": "https://dantelabs.com/traits/parietal-foramina"
      },
      {
        "slug": "horseshoe-kidney",
        "name": "Horseshoe kidney",
        "systems": [
          "abnormality-of-the-genitourinary-system"
        ],
        "frequency": "occasional",
        "url": "https://dantelabs.com/traits/horseshoe-kidney"
      },
      {
        "slug": "hydronephrosis",
        "name": "Hydronephrosis",
        "systems": [
          "abnormality-of-the-genitourinary-system"
        ],
        "frequency": "occasional",
        "url": "https://dantelabs.com/traits/hydronephrosis"
      },
      {
        "slug": "hyperextensible-skin",
        "name": "Hyperelastic skin",
        "systems": [
          "abnormality-of-the-integument"
        ],
        "url": "https://dantelabs.com/traits/hyperextensible-skin"
      },
      {
        "slug": "hypoplasia-of-the-epiglottis",
        "name": "Hypoplasia of the epiglottis",
        "systems": [
          "abnormality-of-the-respiratory-system"
        ],
        "frequency": "very-rare",
        "url": "https://dantelabs.com/traits/hypoplasia-of-the-epiglottis"
      },
      {
        "slug": "hypoplasia-of-the-lacrimal-punctum",
        "name": "Hypoplasia of the lacrimal punctum",
        "systems": [
          "abnormality-of-head-or-neck"
        ],
        "frequency": "occasional",
        "url": "https://dantelabs.com/traits/hypoplasia-of-the-lacrimal-punctum"
      },
      {
        "slug": "hypoplastic-ischia",
        "name": "Hypoplastic ischia",
        "systems": [
          "abnormality-of-the-musculoskeletal-system"
        ],
        "frequency": "very-frequent",
        "url": "https://dantelabs.com/traits/hypoplastic-ischia"
      },
      {
        "slug": "hypoplastic-pubic-bone",
        "name": "Hypoplastic pubic bone",
        "systems": [
          "abnormality-of-the-musculoskeletal-system"
        ],
        "frequency": "obligate",
        "url": "https://dantelabs.com/traits/hypoplastic-pubic-bone"
      },
      {
        "slug": "hypospadias",
        "name": "Hypospadias",
        "systems": [
          "abnormality-of-the-genitourinary-system"
        ],
        "frequency": "obligate",
        "url": "https://dantelabs.com/traits/hypospadias"
      },
      {
        "slug": "incomplete-ossification-of-pubis",
        "name": "Incomplete maturation of the pubic bone",
        "systems": [
          "abnormality-of-the-musculoskeletal-system"
        ],
        "frequency": "very-frequent",
        "url": "https://dantelabs.com/traits/incomplete-ossification-of-pubis"
      },
      {
        "slug": "increased-corneal-thickness",
        "name": "Increased corneal thickness",
        "systems": [
          "abnormality-of-the-eye"
        ],
        "frequency": "very-rare",
        "url": "https://dantelabs.com/traits/increased-corneal-thickness"
      },
      {
        "slug": "increased-level-of-l-fucose-in-urine",
        "name": "Increased level of L-fucose in urine",
        "systems": [
          "abnormality-of-metabolism-homeostasis",
          "abnormality-of-the-genitourinary-system"
        ],
        "url": "https://dantelabs.com/traits/increased-level-of-l-fucose-in-urine"
      },
      {
        "slug": "abnormally-large-globe",
        "name": "Increased size of eyes",
        "systems": [
          "abnormality-of-the-eye"
        ],
        "frequency": "obligate",
        "url": "https://dantelabs.com/traits/abnormally-large-globe"
      },
      {
        "slug": "epiphora",
        "name": "Increased tears",
        "systems": [
          "abnormality-of-the-eye"
        ],
        "frequency": "frequent",
        "url": "https://dantelabs.com/traits/epiphora"
      },
      {
        "slug": "intellectual-disability",
        "name": "Intellectual disability",
        "systems": [
          "abnormality-of-the-nervous-system"
        ],
        "frequency": "frequent",
        "url": "https://dantelabs.com/traits/intellectual-disability"
      },
      {
        "slug": "mild-intellectual-disability",
        "name": "Intellectual disability, mild",
        "systems": [
          "abnormality-of-the-nervous-system"
        ],
        "frequency": "frequent",
        "url": "https://dantelabs.com/traits/mild-intellectual-disability"
      },
      {
        "slug": "intestinal-malrotation",
        "name": "Intestinal malrotation",
        "systems": [
          "abnormality-of-the-digestive-system"
        ],
        "frequency": "occasional",
        "url": "https://dantelabs.com/traits/intestinal-malrotation"
      },
      {
        "slug": "radial-deviation-of-the-3rd-finger",
        "name": "Inward turned middle finger",
        "systems": [
          "abnormality-of-limbs",
          "abnormality-of-the-musculoskeletal-system"
        ],
        "url": "https://dantelabs.com/traits/radial-deviation-of-the-3rd-finger"
      },
      {
        "slug": "moderate-intellectual-disability",
        "name": "IQ between 34 and 49",
        "systems": [
          "abnormality-of-the-nervous-system"
        ],
        "frequency": "occasional",
        "url": "https://dantelabs.com/traits/moderate-intellectual-disability"
      },
      {
        "slug": "keratoconjunctivitis",
        "name": "Keratoconjunctivitis",
        "systems": [
          "abnormality-of-head-or-neck",
          "abnormality-of-the-cardiovascular-system",
          "abnormality-of-the-eye",
          "abnormality-of-the-immune-system"
        ],
        "frequency": "occasional",
        "url": "https://dantelabs.com/traits/keratoconjunctivitis"
      },
      {
        "slug": "lambdoidal-craniosynostosis",
        "name": "Lambdoidal craniosynostosis",
        "systems": [
          "abnormality-of-head-or-neck",
          "abnormality-of-the-musculoskeletal-system"
        ],
        "frequency": "frequent",
        "url": "https://dantelabs.com/traits/lambdoidal-craniosynostosis"
      },
      {
        "slug": "macrotia",
        "name": "Large ears",
        "systems": [
          "abnormality-of-the-ear"
        ],
        "frequency": "very-frequent",
        "url": "https://dantelabs.com/traits/macrotia"
      },
      {
        "slug": "amblyopia",
        "name": "Lazy eye",
        "systems": [
          "abnormality-of-the-eye"
        ],
        "frequency": "occasional",
        "url": "https://dantelabs.com/traits/amblyopia"
      },
      {
        "slug": "limbal-stem-cell-deficiency",
        "name": "Limbal stem cell deficiency",
        "systems": [
          "abnormality-of-the-eye"
        ],
        "frequency": "occasional",
        "url": "https://dantelabs.com/traits/limbal-stem-cell-deficiency"
      },
      {
        "slug": "limitation-of-joint-mobility",
        "name": "Limitation of joint mobility",
        "systems": [
          "abnormality-of-the-musculoskeletal-system"
        ],
        "frequency": "very-frequent",
        "url": "https://dantelabs.com/traits/limitation-of-joint-mobility"
      },
      {
        "slug": "limited-elbow-extension",
        "name": "Limited elbow extension",
        "systems": [
          "abnormality-of-limbs",
          "abnormality-of-the-musculoskeletal-system"
        ],
        "url": "https://dantelabs.com/traits/limited-elbow-extension"
      },
      {
        "slug": "limited-elbow-movement",
        "name": "Limited elbow movement",
        "systems": [
          "abnormality-of-limbs",
          "abnormality-of-the-musculoskeletal-system"
        ],
        "frequency": "frequent",
        "url": "https://dantelabs.com/traits/limited-elbow-movement"
      },
      {
        "slug": "micrognathia",
        "name": "Little lower jaw",
        "systems": [
          "abnormality-of-head-or-neck",
          "abnormality-of-the-musculoskeletal-system"
        ],
        "frequency": "very-frequent",
        "url": "https://dantelabs.com/traits/micrognathia"
      },
      {
        "slug": "long-nose",
        "name": "Long nose",
        "systems": [
          "abnormality-of-head-or-neck"
        ],
        "url": "https://dantelabs.com/traits/long-nose"
      },
      {
        "slug": "long-philtrum",
        "name": "Long philtrum",
        "systems": [
          "abnormality-of-head-or-neck"
        ],
        "url": "https://dantelabs.com/traits/long-philtrum"
      },
      {
        "slug": "arachnodactyly",
        "name": "Long slender fingers",
        "systems": [
          "abnormality-of-limbs",
          "abnormality-of-the-musculoskeletal-system"
        ],
        "url": "https://dantelabs.com/traits/arachnodactyly"
      },
      {
        "slug": "dolichocephaly",
        "name": "Long, narrow head",
        "systems": [
          "abnormality-of-head-or-neck",
          "abnormality-of-the-musculoskeletal-system"
        ],
        "frequency": "very-frequent",
        "url": "https://dantelabs.com/traits/dolichocephaly"
      },
      {
        "slug": "anosmia",
        "name": "Lost smell",
        "systems": [
          "abnormality-of-head-or-neck",
          "abnormality-of-the-nervous-system"
        ],
        "frequency": "very-rare",
        "url": "https://dantelabs.com/traits/anosmia"
      },
      {
        "slug": "low-anterior-hairline",
        "name": "Low frontal hairline",
        "systems": [
          "abnormality-of-head-or-neck",
          "abnormality-of-the-integument"
        ],
        "frequency": "frequent",
        "url": "https://dantelabs.com/traits/low-anterior-hairline"
      },
      {
        "slug": "low-set-ears",
        "name": "Low-set ears",
        "systems": [
          "abnormality-of-the-ear"
        ],
        "frequency": "very-frequent",
        "url": "https://dantelabs.com/traits/low-set-ears"
      },
      {
        "slug": "otitis-media",
        "name": "Middle ear infection",
        "systems": [
          "abnormality-of-the-ear",
          "abnormality-of-the-immune-system"
        ],
        "frequency": "occasional",
        "url": "https://dantelabs.com/traits/otitis-media"
      },
      {
        "slug": "midface-retrusion",
        "name": "Midface retrusion",
        "systems": [
          "abnormality-of-head-or-neck"
        ],
        "frequency": "obligate",
        "url": "https://dantelabs.com/traits/midface-retrusion"
      },
      {
        "slug": "migraine",
        "name": "Migraine",
        "systems": [
          "abnormality-of-the-nervous-system"
        ],
        "frequency": "occasional",
        "url": "https://dantelabs.com/traits/migraine"
      },
      {
        "slug": "absent-radius",
        "name": "Missing outer large bone of forearm",
        "systems": [
          "abnormality-of-limbs",
          "abnormality-of-the-musculoskeletal-system"
        ],
        "url": "https://dantelabs.com/traits/absent-radius"
      },
      {
        "slug": "mixed-hearing-impairment",
        "name": "Mixed hearing impairment",
        "systems": [
          "abnormality-of-the-ear"
        ],
        "frequency": "occasional",
        "url": "https://dantelabs.com/traits/mixed-hearing-impairment"
      },
      {
        "slug": "multiple-suture-craniosynostosis",
        "name": "Multiple suture craniosynostosis",
        "systems": [
          "abnormality-of-head-or-neck",
          "abnormality-of-the-musculoskeletal-system"
        ],
        "frequency": "very-frequent",
        "url": "https://dantelabs.com/traits/multiple-suture-craniosynostosis"
      },
      {
        "slug": "narrow-chest",
        "name": "Narrow chest",
        "systems": [
          "abnormality-of-the-musculoskeletal-system"
        ],
        "url": "https://dantelabs.com/traits/narrow-chest"
      },
      {
        "slug": "stenosis-of-the-external-auditory-canal",
        "name": "Narrow ear canal",
        "systems": [
          "abnormality-of-the-ear"
        ],
        "frequency": "very-frequent",
        "url": "https://dantelabs.com/traits/stenosis-of-the-external-auditory-canal"
      },
      {
        "slug": "narrow-internal-auditory-canal",
        "name": "Narrow internal auditory canal",
        "systems": [
          "abnormality-of-the-ear"
        ],
        "frequency": "frequent",
        "url": "https://dantelabs.com/traits/narrow-internal-auditory-canal"
      },
      {
        "slug": "narrow-mouth",
        "name": "Narrow mouth",
        "systems": [
          "abnormality-of-head-or-neck"
        ],
        "frequency": "obligate",
        "url": "https://dantelabs.com/traits/narrow-mouth"
      },
      {
        "slug": "narrow-nose",
        "name": "Narrow nose",
        "systems": [
          "abnormality-of-head-or-neck"
        ],
        "url": "https://dantelabs.com/traits/narrow-nose"
      },
      {
        "slug": "narrow-palate",
        "name": "Narrow palate",
        "systems": [
          "abnormality-of-head-or-neck"
        ],
        "frequency": "obligate",
        "url": "https://dantelabs.com/traits/narrow-palate"
      },
      {
        "slug": "narrow-pelvis-bone",
        "name": "Narrow pelvis bone",
        "systems": [
          "abnormality-of-the-musculoskeletal-system"
        ],
        "url": "https://dantelabs.com/traits/narrow-pelvis-bone"
      },
      {
        "slug": "choanal-stenosis",
        "name": "Narrowing of the rear opening of the nasal cavity",
        "systems": [
          "abnormality-of-head-or-neck"
        ],
        "frequency": "obligate",
        "url": "https://dantelabs.com/traits/choanal-stenosis"
      },
      {
        "slug": "lacrimal-duct-stenosis",
        "name": "Narrowing of the tear duct",
        "systems": [
          "abnormality-of-head-or-neck"
        ],
        "frequency": "frequent",
        "url": "https://dantelabs.com/traits/lacrimal-duct-stenosis"
      },
      {
        "slug": "anteverted-nares",
        "name": "Nasal tip, upturned",
        "systems": [
          "abnormality-of-head-or-neck"
        ],
        "frequency": "obligate",
        "url": "https://dantelabs.com/traits/anteverted-nares"
      },
      {
        "slug": "corneal-neovascularization",
        "name": "New blood vessel formation in cornea",
        "systems": [
          "abnormality-of-the-eye"
        ],
        "frequency": "occasional",
        "url": "https://dantelabs.com/traits/corneal-neovascularization"
      },
      {
        "slug": "early-onset-non-progressive-night-blindness",
        "name": "Night blindness since birth",
        "systems": [
          "abnormality-of-the-eye"
        ],
        "frequency": "very-frequent",
        "url": "https://dantelabs.com/traits/early-onset-non-progressive-night-blindness"
      },
      {
        "slug": "partial-duplication-of-the-distal-phalanx-of-the-2nd-finger",
        "name": "Notched outermost bone of the index finger",
        "systems": [
          "abnormality-of-limbs",
          "abnormality-of-the-musculoskeletal-system"
        ],
        "url": "https://dantelabs.com/traits/partial-duplication-of-the-distal-phalanx-of-the-2nd-finger"
      },
      {
        "slug": "partial-duplication-of-the-distal-phalanx-of-the-3rd-finger",
        "name": "Notched outermost bone of the middle finger",
        "systems": [
          "abnormality-of-limbs",
          "abnormality-of-the-musculoskeletal-system"
        ],
        "url": "https://dantelabs.com/traits/partial-duplication-of-the-distal-phalanx-of-the-3rd-finger"
      },
      {
        "slug": "airway-obstruction",
        "name": "Obstructive lung disease",
        "systems": [
          "abnormality-of-the-respiratory-system"
        ],
        "frequency": "occasional",
        "url": "https://dantelabs.com/traits/airway-obstruction"
      },
      {
        "slug": "open-angle-glaucoma",
        "name": "Open angle glaucoma",
        "systems": [
          "abnormality-of-the-eye"
        ],
        "frequency": "very-rare",
        "url": "https://dantelabs.com/traits/open-angle-glaucoma"
      },
      {
        "slug": "open-bite",
        "name": "Open bite",
        "systems": [
          "abnormality-of-head-or-neck"
        ],
        "frequency": "frequent",
        "url": "https://dantelabs.com/traits/open-bite"
      },
      {
        "slug": "optic-atrophy",
        "name": "Optic atrophy",
        "systems": [
          "abnormality-of-the-eye"
        ],
        "frequency": "obligate",
        "url": "https://dantelabs.com/traits/optic-atrophy"
      },
      {
        "slug": "osteopenia",
        "name": "Osteopenia",
        "systems": [
          "abnormality-of-the-musculoskeletal-system"
        ],
        "frequency": "very-frequent",
        "url": "https://dantelabs.com/traits/osteopenia"
      },
      {
        "slug": "exotropia",
        "name": "Outward facing eye ball",
        "systems": [
          "abnormality-of-the-eye"
        ],
        "frequency": "very-rare",
        "url": "https://dantelabs.com/traits/exotropia"
      },
      {
        "slug": "overfolding-of-the-superior-helices",
        "name": "Overfolding of the superior helices",
        "systems": [
          "abnormality-of-the-ear"
        ],
        "frequency": "very-frequent",
        "url": "https://dantelabs.com/traits/overfolding-of-the-superior-helices"
      },
      {
        "slug": "overlapping-toe",
        "name": "Overlapping toe",
        "systems": [
          "abnormality-of-limbs",
          "abnormality-of-the-musculoskeletal-system"
        ],
        "frequency": "obligate",
        "url": "https://dantelabs.com/traits/overlapping-toe"
      },
      {
        "slug": "overriding-aorta",
        "name": "Overriding aorta",
        "systems": [
          "abnormality-of-the-cardiovascular-system"
        ],
        "url": "https://dantelabs.com/traits/overriding-aorta"
      },
      {
        "slug": "oxycephaly",
        "name": "Oxycephaly",
        "systems": [
          "abnormality-of-head-or-neck",
          "abnormality-of-the-musculoskeletal-system"
        ],
        "url": "https://dantelabs.com/traits/oxycephaly"
      },
      {
        "slug": "palmoplantar-cutis-gyrata",
        "name": "Palmoplantar cutis gyrata",
        "systems": [
          "abnormality-of-limbs",
          "abnormality-of-the-integument"
        ],
        "frequency": "very-frequent",
        "url": "https://dantelabs.com/traits/palmoplantar-cutis-gyrata"
      },
      {
        "slug": "partial-duplication-of-thumb-phalanx",
        "name": "Partial duplication of the thumb bones",
        "systems": [
          "abnormality-of-limbs",
          "abnormality-of-the-musculoskeletal-system"
        ],
        "frequency": "frequent",
        "url": "https://dantelabs.com/traits/partial-duplication-of-thumb-phalanx"
      },
      {
        "slug": "hypopigmented-skin-patches",
        "name": "Patchy loss of skin color",
        "systems": [
          "abnormality-of-the-integument"
        ],
        "frequency": "occasional",
        "url": "https://dantelabs.com/traits/hypopigmented-skin-patches"
      },
      {
        "slug": "patent-ductus-arteriosus",
        "name": "Patent ductus arteriosus",
        "systems": [
          "abnormality-of-the-cardiovascular-system"
        ],
        "frequency": "very-rare",
        "url": "https://dantelabs.com/traits/patent-ductus-arteriosus"
      },
      {
        "slug": "sleep-apnea",
        "name": "Pauses in breathing while sleeping",
        "systems": [
          "abnormality-of-the-nervous-system"
        ],
        "frequency": "occasional",
        "url": "https://dantelabs.com/traits/sleep-apnea"
      },
      {
        "slug": "camptodactyly",
        "name": "Permanent flexion of the finger or toe",
        "systems": [
          "abnormality-of-the-musculoskeletal-system"
        ],
        "url": "https://dantelabs.com/traits/camptodactyly"
      },
      {
        "slug": "pectus-carinatum",
        "name": "Pigeon chest",
        "systems": [
          "abnormality-of-the-musculoskeletal-system"
        ],
        "frequency": "frequent",
        "url": "https://dantelabs.com/traits/pectus-carinatum"
      },
      {
        "slug": "conjunctivitis",
        "name": "Pink eye",
        "systems": [
          "abnormality-of-head-or-neck",
          "abnormality-of-the-cardiovascular-system",
          "abnormality-of-the-eye",
          "abnormality-of-the-immune-system"
        ],
        "frequency": "frequent",
        "url": "https://dantelabs.com/traits/conjunctivitis"
      },
      {
        "slug": "preauricular-pit",
        "name": "Pit in front of the ear",
        "systems": [
          "abnormality-of-head-or-neck",
          "abnormality-of-the-integument"
        ],
        "frequency": "obligate",
        "url": "https://dantelabs.com/traits/preauricular-pit"
      },
      {
        "slug": "nail-dystrophy",
        "name": "Poor nail formation",
        "systems": [
          "abnormality-of-the-integument"
        ],
        "frequency": "occasional",
        "url": "https://dantelabs.com/traits/nail-dystrophy"
      },
      {
        "slug": "dysphagia",
        "name": "Poor swallowing",
        "systems": [
          "abnormality-of-the-digestive-system",
          "abnormality-of-the-nervous-system"
        ],
        "frequency": "very-rare",
        "url": "https://dantelabs.com/traits/dysphagia"
      },
      {
        "slug": "posterior-fossa-cyst",
        "name": "Posterior fossa cyst",
        "systems": [
          "abnormality-of-head-or-neck",
          "abnormality-of-the-musculoskeletal-system",
          "abnormality-of-the-nervous-system"
        ],
        "url": "https://dantelabs.com/traits/posterior-fossa-cyst"
      },
      {
        "slug": "preauricular-skin-furrow",
        "name": "Preauricular skin groove",
        "systems": [
          "abnormality-of-head-or-neck"
        ],
        "frequency": "obligate",
        "url": "https://dantelabs.com/traits/preauricular-skin-furrow"
      },
      {
        "slug": "preaxial-foot-polydactyly",
        "name": "Preaxial foot polydactyly",
        "systems": [
          "abnormality-of-limbs",
          "abnormality-of-the-musculoskeletal-system"
        ],
        "frequency": "occasional",
        "url": "https://dantelabs.com/traits/preaxial-foot-polydactyly"
      },
      {
        "slug": "preaxial-polydactyly",
        "name": "Preaxial polydactyly",
        "systems": [
          "abnormality-of-limbs",
          "abnormality-of-the-musculoskeletal-system"
        ],
        "url": "https://dantelabs.com/traits/preaxial-polydactyly"
      },
      {
        "slug": "prominent-crus-of-helix",
        "name": "Prominent crus of helix",
        "systems": [
          "abnormality-of-the-ear",
          "abnormality-of-the-musculoskeletal-system"
        ],
        "frequency": "frequent",
        "url": "https://dantelabs.com/traits/prominent-crus-of-helix"
      },
      {
        "slug": "prominent-forehead",
        "name": "Prominent forehead",
        "systems": [
          "abnormality-of-head-or-neck"
        ],
        "frequency": "obligate",
        "url": "https://dantelabs.com/traits/prominent-forehead"
      },
      {
        "slug": "prominent-nasal-bridge",
        "name": "Prominent nasal bridge",
        "systems": [
          "abnormality-of-head-or-neck"
        ],
        "frequency": "obligate",
        "url": "https://dantelabs.com/traits/prominent-nasal-bridge"
      },
      {
        "slug": "prominent-scrotal-raphe",
        "name": "Prominent scrotal raphe",
        "systems": [
          "abnormality-of-the-genitourinary-system"
        ],
        "frequency": "obligate",
        "url": "https://dantelabs.com/traits/prominent-scrotal-raphe"
      },
      {
        "slug": "hyperlordosis",
        "name": "Prominent swayback",
        "systems": [
          "abnormality-of-the-musculoskeletal-system"
        ],
        "frequency": "frequent",
        "url": "https://dantelabs.com/traits/hyperlordosis"
      },
      {
        "slug": "proximal-radio-ulnar-synostosis",
        "name": "Proximal radio-ulnar synostosis",
        "systems": [
          "abnormality-of-limbs",
          "abnormality-of-the-musculoskeletal-system"
        ],
        "frequency": "occasional",
        "url": "https://dantelabs.com/traits/proximal-radio-ulnar-synostosis"
      },
      {
        "slug": "pyloric-stenosis",
        "name": "Pyloric stenosis",
        "systems": [
          "abnormality-of-the-digestive-system"
        ],
        "url": "https://dantelabs.com/traits/pyloric-stenosis"
      },
      {
        "slug": "recurrent-corneal-erosions",
        "name": "Recurrent breakdown of clear protective layer of eye",
        "systems": [
          "abnormality-of-the-eye"
        ],
        "frequency": "occasional",
        "url": "https://dantelabs.com/traits/recurrent-corneal-erosions"
      },
      {
        "slug": "redundant-neck-skin",
        "name": "Redundant neck skin",
        "systems": [
          "abnormality-of-head-or-neck",
          "abnormality-of-the-integument"
        ],
        "frequency": "obligate",
        "url": "https://dantelabs.com/traits/redundant-neck-skin"
      },
      {
        "slug": "redundant-umbilical-skin",
        "name": "Redundant umbilical skin",
        "systems": [
          "abnormality-of-the-digestive-system"
        ],
        "frequency": "obligate",
        "url": "https://dantelabs.com/traits/redundant-umbilical-skin"
      },
      {
        "slug": "respiratory-insufficiency",
        "name": "Respiratory function loss",
        "systems": [
          "abnormality-of-the-respiratory-system"
        ],
        "frequency": "occasional",
        "url": "https://dantelabs.com/traits/respiratory-insufficiency"
      },
      {
        "slug": "rhizomelic-arm-shortening",
        "name": "Rhizomelic arm shortening",
        "systems": [
          "abnormality-of-limbs",
          "abnormality-of-the-musculoskeletal-system",
          "growth-abnormality"
        ],
        "frequency": "frequent",
        "url": "https://dantelabs.com/traits/rhizomelic-arm-shortening"
      },
      {
        "slug": "increased-intracranial-pressure",
        "name": "Rise in pressure inside skull",
        "systems": [
          "abnormality-of-the-nervous-system"
        ],
        "frequency": "frequent",
        "url": "https://dantelabs.com/traits/increased-intracranial-pressure"
      },
      {
        "slug": "rocker-bottom-foot",
        "name": "Rocker bottom foot",
        "systems": [
          "abnormality-of-limbs",
          "abnormality-of-the-musculoskeletal-system"
        ],
        "url": "https://dantelabs.com/traits/rocker-bottom-foot"
      },
      {
        "slug": "nephrosclerosis",
        "name": "Scarring of kidney arteries",
        "systems": [
          "abnormality-of-the-genitourinary-system"
        ],
        "url": "https://dantelabs.com/traits/nephrosclerosis"
      },
      {
        "slug": "scoliosis",
        "name": "Scoliosis",
        "systems": [
          "abnormality-of-the-musculoskeletal-system"
        ],
        "frequency": "occasional",
        "url": "https://dantelabs.com/traits/scoliosis"
      },
      {
        "slug": "sensorineural-hearing-impairment",
        "name": "Sensorineural hearing impairment",
        "systems": [
          "abnormality-of-the-ear"
        ],
        "frequency": "occasional",
        "url": "https://dantelabs.com/traits/sensorineural-hearing-impairment"
      },
      {
        "slug": "short-first-metatarsal",
        "name": "Short 1st long bone of foot",
        "systems": [
          "abnormality-of-limbs",
          "abnormality-of-the-musculoskeletal-system"
        ],
        "frequency": "frequent",
        "url": "https://dantelabs.com/traits/short-first-metatarsal"
      },
      {
        "slug": "short-hallux",
        "name": "Short big toe",
        "systems": [
          "abnormality-of-limbs",
          "abnormality-of-the-musculoskeletal-system"
        ],
        "frequency": "very-frequent",
        "url": "https://dantelabs.com/traits/short-hallux"
      },
      {
        "slug": "short-clavicles",
        "name": "Short collarbone",
        "systems": [
          "abnormality-of-the-musculoskeletal-system"
        ],
        "frequency": "obligate",
        "url": "https://dantelabs.com/traits/short-clavicles"
      },
      {
        "slug": "brachydactyly",
        "name": "Short fingers or toes",
        "systems": [
          "abnormality-of-limbs",
          "abnormality-of-the-musculoskeletal-system"
        ],
        "frequency": "very-frequent",
        "url": "https://dantelabs.com/traits/brachydactyly"
      },
      {
        "slug": "short-foot",
        "name": "Short foot",
        "systems": [
          "abnormality-of-limbs",
          "abnormality-of-the-musculoskeletal-system"
        ],
        "frequency": "frequent",
        "url": "https://dantelabs.com/traits/short-foot"
      },
      {
        "slug": "short-metatarsal",
        "name": "Short long bone of foot",
        "systems": [
          "abnormality-of-limbs",
          "abnormality-of-the-musculoskeletal-system"
        ],
        "frequency": "very-frequent",
        "url": "https://dantelabs.com/traits/short-metatarsal"
      },
      {
        "slug": "short-middle-phalanx-of-toe",
        "name": "Short middle bones (feet)",
        "systems": [
          "abnormality-of-limbs",
          "abnormality-of-the-musculoskeletal-system"
        ],
        "url": "https://dantelabs.com/traits/short-middle-phalanx-of-toe"
      },
      {
        "slug": "short-nose",
        "name": "Short nose",
        "systems": [
          "abnormality-of-head-or-neck"
        ],
        "frequency": "very-frequent",
        "url": "https://dantelabs.com/traits/short-nose"
      },
      {
        "slug": "short-palm",
        "name": "Short palm",
        "systems": [
          "abnormality-of-limbs",
          "abnormality-of-the-musculoskeletal-system"
        ],
        "frequency": "frequent",
        "url": "https://dantelabs.com/traits/short-palm"
      },
      {
        "slug": "short-stature",
        "name": "Short stature",
        "systems": [
          "growth-abnormality"
        ],
        "frequency": "occasional",
        "url": "https://dantelabs.com/traits/short-stature"
      },
      {
        "slug": "short-thumb",
        "name": "Short thumb",
        "systems": [
          "abnormality-of-limbs",
          "abnormality-of-the-musculoskeletal-system"
        ],
        "frequency": "frequent",
        "url": "https://dantelabs.com/traits/short-thumb"
      },
      {
        "slug": "shortening-of-all-middle-phalanges-of-the-fingers",
        "name": "Shortening of all middle phalanges of the fingers",
        "systems": [
          "abnormality-of-limbs",
          "abnormality-of-the-musculoskeletal-system"
        ],
        "url": "https://dantelabs.com/traits/shortening-of-all-middle-phalanges-of-the-fingers"
      },
      {
        "slug": "skin-tags",
        "name": "Skin tags",
        "systems": [
          "abnormality-of-the-integument"
        ],
        "frequency": "obligate",
        "url": "https://dantelabs.com/traits/skin-tags"
      },
      {
        "slug": "skull-asymmetry",
        "name": "Skull asymmetry",
        "systems": [
          "abnormality-of-head-or-neck",
          "abnormality-of-the-musculoskeletal-system"
        ],
        "url": "https://dantelabs.com/traits/skull-asymmetry"
      },
      {
        "slug": "cerebellar-hypoplasia",
        "name": "Small cerebellum",
        "systems": [
          "abnormality-of-the-nervous-system"
        ],
        "frequency": "frequent",
        "url": "https://dantelabs.com/traits/cerebellar-hypoplasia"
      },
      {
        "slug": "microtia",
        "name": "Small ears",
        "systems": [
          "abnormality-of-the-ear"
        ],
        "frequency": "frequent",
        "url": "https://dantelabs.com/traits/microtia"
      },
      {
        "slug": "hypoplastic-fingernail",
        "name": "Small fingernail",
        "systems": [
          "abnormality-of-the-integument"
        ],
        "frequency": "obligate",
        "url": "https://dantelabs.com/traits/hypoplastic-fingernail"
      },
      {
        "slug": "small-hand",
        "name": "Small hand",
        "systems": [
          "abnormality-of-limbs",
          "abnormality-of-the-musculoskeletal-system"
        ],
        "frequency": "frequent",
        "url": "https://dantelabs.com/traits/small-hand"
      },
      {
        "slug": "renal-hypoplasia",
        "name": "Small kidneys",
        "systems": [
          "abnormality-of-the-genitourinary-system"
        ],
        "frequency": "very-rare",
        "url": "https://dantelabs.com/traits/renal-hypoplasia"
      },
      {
        "slug": "hypoplastic-labia-majora",
        "name": "Small labia majora",
        "systems": [
          "abnormality-of-the-genitourinary-system"
        ],
        "frequency": "obligate",
        "url": "https://dantelabs.com/traits/hypoplastic-labia-majora"
      },
      {
        "slug": "small-nail",
        "name": "Small nail",
        "systems": [
          "abnormality-of-the-integument"
        ],
        "url": "https://dantelabs.com/traits/small-nail"
      },
      {
        "slug": "small-thenar-eminence",
        "name": "Small thenar eminence",
        "systems": [
          "abnormality-of-limbs",
          "abnormality-of-the-musculoskeletal-system"
        ],
        "url": "https://dantelabs.com/traits/small-thenar-eminence"
      },
      {
        "slug": "micromelia",
        "name": "Smaller or shorter than typical limbs",
        "systems": [
          "abnormality-of-limbs",
          "abnormality-of-the-musculoskeletal-system"
        ],
        "frequency": "occasional",
        "url": "https://dantelabs.com/traits/micromelia"
      },
      {
        "slug": "decreased-calvarial-ossification",
        "name": "Soft skullcap",
        "systems": [
          "abnormality-of-head-or-neck",
          "abnormality-of-the-musculoskeletal-system"
        ],
        "frequency": "obligate",
        "url": "https://dantelabs.com/traits/decreased-calvarial-ossification"
      },
      {
        "slug": "laryngomalacia",
        "name": "Softening of voice box tissue",
        "systems": [
          "abnormality-of-the-respiratory-system"
        ],
        "frequency": "very-frequent",
        "url": "https://dantelabs.com/traits/laryngomalacia"
      },
      {
        "slug": "split-foot",
        "name": "Split foot",
        "systems": [
          "abnormality-of-limbs",
          "abnormality-of-the-musculoskeletal-system"
        ],
        "frequency": "occasional",
        "url": "https://dantelabs.com/traits/split-foot"
      },
      {
        "slug": "steep-acetabular-roof",
        "name": "Steep acetabular roof",
        "systems": [
          "abnormality-of-limbs",
          "abnormality-of-the-musculoskeletal-system"
        ],
        "frequency": "very-frequent",
        "url": "https://dantelabs.com/traits/steep-acetabular-roof"
      },
      {
        "slug": "stomach-cancer",
        "name": "Stomach cancer",
        "systems": [
          "abnormality-of-the-digestive-system",
          "neoplasm"
        ],
        "url": "https://dantelabs.com/traits/stomach-cancer"
      },
      {
        "slug": "turricephaly",
        "name": "Tall shaped head",
        "systems": [
          "abnormality-of-head-or-neck",
          "abnormality-of-the-musculoskeletal-system"
        ],
        "frequency": "very-frequent",
        "url": "https://dantelabs.com/traits/turricephaly"
      },
      {
        "slug": "thickened-helices",
        "name": "Thickened helices",
        "systems": [
          "abnormality-of-the-ear"
        ],
        "frequency": "occasional",
        "url": "https://dantelabs.com/traits/thickened-helices"
      },
      {
        "slug": "palmoplantar-keratoderma",
        "name": "Thickening of palms and soles",
        "systems": [
          "abnormality-of-limbs",
          "abnormality-of-the-integument"
        ],
        "frequency": "very-frequent",
        "url": "https://dantelabs.com/traits/palmoplantar-keratoderma"
      },
      {
        "slug": "enamel-hypoplasia",
        "name": "Thin dental enamel",
        "systems": [
          "abnormality-of-head-or-neck",
          "abnormality-of-the-musculoskeletal-system"
        ],
        "frequency": "occasional",
        "url": "https://dantelabs.com/traits/enamel-hypoplasia"
      },
      {
        "slug": "thin-upper-lip-vermilion",
        "name": "Thin red part of the upper lip",
        "systems": [
          "abnormality-of-head-or-neck"
        ],
        "frequency": "frequent",
        "url": "https://dantelabs.com/traits/thin-upper-lip-vermilion"
      },
      {
        "slug": "hydrocephalus",
        "name": "Too much cerebrospinal fluid in the brain",
        "systems": [
          "abnormality-of-the-nervous-system"
        ],
        "frequency": "obligate",
        "url": "https://dantelabs.com/traits/hydrocephalus"
      },
      {
        "slug": "tracheal-cartilaginous-sleeve",
        "name": "Tracheal cartilaginous sleeve",
        "systems": [
          "abnormality-of-the-respiratory-system"
        ],
        "frequency": "obligate",
        "url": "https://dantelabs.com/traits/tracheal-cartilaginous-sleeve"
      },
      {
        "slug": "trigonocephaly",
        "name": "Triangular head shape",
        "systems": [
          "abnormality-of-head-or-neck",
          "abnormality-of-the-musculoskeletal-system"
        ],
        "frequency": "occasional",
        "url": "https://dantelabs.com/traits/trigonocephaly"
      },
      {
        "slug": "umbilical-hernia",
        "name": "Umbilical hernia",
        "systems": [
          "abnormality-of-the-digestive-system",
          "abnormality-of-the-musculoskeletal-system"
        ],
        "frequency": "occasional",
        "url": "https://dantelabs.com/traits/umbilical-hernia"
      },
      {
        "slug": "hypoplasia-of-the-ulna",
        "name": "Underdeveloped inner large forearm bone",
        "systems": [
          "abnormality-of-limbs",
          "abnormality-of-the-musculoskeletal-system"
        ],
        "url": "https://dantelabs.com/traits/hypoplasia-of-the-ulna"
      },
      {
        "slug": "hypoplasia-of-the-radius",
        "name": "Underdeveloped outer large forearm bone",
        "systems": [
          "abnormality-of-limbs",
          "abnormality-of-the-musculoskeletal-system"
        ],
        "frequency": "occasional",
        "url": "https://dantelabs.com/traits/hypoplasia-of-the-radius"
      },
      {
        "slug": "hypoplastic-lacrimal-duct",
        "name": "Underdeveloped tear duct",
        "systems": [
          "abnormality-of-head-or-neck"
        ],
        "url": "https://dantelabs.com/traits/hypoplastic-lacrimal-duct"
      },
      {
        "slug": "lacrimal-gland-hypoplasia",
        "name": "Underdeveloped tear gland",
        "systems": [
          "abnormality-of-head-or-neck"
        ],
        "url": "https://dantelabs.com/traits/lacrimal-gland-hypoplasia"
      },
      {
        "slug": "cryptorchidism",
        "name": "Undescended testes",
        "systems": [
          "abnormality-of-the-genitourinary-system"
        ],
        "frequency": "frequent",
        "url": "https://dantelabs.com/traits/cryptorchidism"
      },
      {
        "slug": "upper-airway-obstruction",
        "name": "Upper airway obstruction",
        "systems": [
          "abnormality-of-the-respiratory-system"
        ],
        "url": "https://dantelabs.com/traits/upper-airway-obstruction"
      },
      {
        "slug": "upslanted-palpebral-fissure",
        "name": "Upward slanting of the opening between the eyelids",
        "systems": [
          "abnormality-of-head-or-neck"
        ],
        "frequency": "occasional",
        "url": "https://dantelabs.com/traits/upslanted-palpebral-fissure"
      },
      {
        "slug": "ventriculomegaly",
        "name": "Ventriculomegaly",
        "systems": [
          "abnormality-of-the-nervous-system"
        ],
        "frequency": "obligate",
        "url": "https://dantelabs.com/traits/ventriculomegaly"
      },
      {
        "slug": "vertebral-segmentation-defect",
        "name": "Vertebral segmentation defect",
        "systems": [
          "abnormality-of-the-musculoskeletal-system"
        ],
        "frequency": "frequent",
        "url": "https://dantelabs.com/traits/vertebral-segmentation-defect"
      },
      {
        "slug": "vesicoureteral-reflux",
        "name": "Vesicoureteral reflux",
        "systems": [
          "abnormality-of-the-genitourinary-system"
        ],
        "frequency": "occasional",
        "url": "https://dantelabs.com/traits/vesicoureteral-reflux"
      },
      {
        "slug": "visceral-angiomatosis",
        "name": "Visceral angiomatosis",
        "systems": [
          "abnormality-of-the-cardiovascular-system",
          "neoplasm"
        ],
        "frequency": "very-frequent",
        "url": "https://dantelabs.com/traits/visceral-angiomatosis"
      },
      {
        "slug": "visual-impairment",
        "name": "Visual impairment",
        "systems": [
          "abnormality-of-the-eye"
        ],
        "frequency": "occasional",
        "url": "https://dantelabs.com/traits/visual-impairment"
      },
      {
        "slug": "visual-loss",
        "name": "Visual loss",
        "systems": [
          "abnormality-of-the-eye"
        ],
        "frequency": "occasional",
        "url": "https://dantelabs.com/traits/visual-loss"
      },
      {
        "slug": "2-3-toe-syndactyly",
        "name": "Webbed 2nd and 3rd toes",
        "systems": [
          "abnormality-of-limbs",
          "abnormality-of-the-musculoskeletal-system"
        ],
        "frequency": "frequent",
        "url": "https://dantelabs.com/traits/2-3-toe-syndactyly"
      },
      {
        "slug": "2-3-finger-cutaneous-syndactyly",
        "name": "Webbed 2nd-3rd fingers",
        "systems": [
          "abnormality-of-limbs",
          "abnormality-of-the-musculoskeletal-system"
        ],
        "url": "https://dantelabs.com/traits/2-3-finger-cutaneous-syndactyly"
      },
      {
        "slug": "cutaneous-finger-syndactyly",
        "name": "Webbed fingers",
        "systems": [
          "abnormality-of-limbs",
          "abnormality-of-the-musculoskeletal-system"
        ],
        "frequency": "obligate",
        "url": "https://dantelabs.com/traits/cutaneous-finger-syndactyly"
      },
      {
        "slug": "syndactyly",
        "name": "Webbed fingers or toes",
        "systems": [
          "abnormality-of-limbs",
          "abnormality-of-the-musculoskeletal-system"
        ],
        "frequency": "frequent",
        "url": "https://dantelabs.com/traits/syndactyly"
      },
      {
        "slug": "cutaneous-syndactyly-of-toes",
        "name": "Webbed skin of toes",
        "systems": [
          "abnormality-of-limbs",
          "abnormality-of-the-musculoskeletal-system"
        ],
        "frequency": "obligate",
        "url": "https://dantelabs.com/traits/cutaneous-syndactyly-of-toes"
      },
      {
        "slug": "broad-first-metatarsal",
        "name": "Wide 1st long bone of foot",
        "systems": [
          "abnormality-of-limbs",
          "abnormality-of-the-musculoskeletal-system"
        ],
        "frequency": "very-frequent",
        "url": "https://dantelabs.com/traits/broad-first-metatarsal"
      },
      {
        "slug": "large-fontanelles",
        "name": "Wide fontanelles",
        "systems": [
          "abnormality-of-head-or-neck",
          "abnormality-of-the-musculoskeletal-system"
        ],
        "frequency": "obligate",
        "url": "https://dantelabs.com/traits/large-fontanelles"
      },
      {
        "slug": "broad-metatarsal",
        "name": "Wide long bone of foot",
        "systems": [
          "abnormality-of-limbs",
          "abnormality-of-the-musculoskeletal-system"
        ],
        "frequency": "very-frequent",
        "url": "https://dantelabs.com/traits/broad-metatarsal"
      },
      {
        "slug": "hypertelorism",
        "name": "Wide-set eyes",
        "systems": [
          "abnormality-of-the-eye"
        ],
        "frequency": "obligate",
        "url": "https://dantelabs.com/traits/hypertelorism"
      },
      {
        "slug": "wide-intermamillary-distance",
        "name": "Wide-spaced nipples",
        "systems": [
          "abnormality-of-the-breast"
        ],
        "frequency": "frequent",
        "url": "https://dantelabs.com/traits/wide-intermamillary-distance"
      },
      {
        "slug": "wide-anterior-fontanel",
        "name": "Wider-than-typical soft spot of skull",
        "systems": [
          "abnormality-of-head-or-neck",
          "abnormality-of-the-musculoskeletal-system"
        ],
        "url": "https://dantelabs.com/traits/wide-anterior-fontanel"
      },
      {
        "slug": "malar-flattening",
        "name": "Zygomatic flattening",
        "systems": [
          "abnormality-of-head-or-neck",
          "abnormality-of-the-musculoskeletal-system"
        ],
        "frequency": "very-frequent",
        "url": "https://dantelabs.com/traits/malar-flattening"
      }
    ],
    "related": [
      {
        "slug": "cyp26b1",
        "symbol": "CYP26B1",
        "name": "cytochrome P450 family 26 subfamily B member 1",
        "shared": 1,
        "url": "https://dantelabs.com/fr/genes/cyp26b1"
      },
      {
        "slug": "erf",
        "symbol": "ERF",
        "name": "ETS2 repressor factor",
        "shared": 1,
        "url": "https://dantelabs.com/fr/genes/erf"
      },
      {
        "slug": "fgfr1",
        "symbol": "FGFR1",
        "name": "fibroblast growth factor receptor 1",
        "shared": 1,
        "url": "https://dantelabs.com/fr/genes/fgfr1"
      },
      {
        "slug": "fgfr3",
        "symbol": "FGFR3",
        "name": "fibroblast growth factor receptor 3",
        "shared": 1,
        "url": "https://dantelabs.com/fr/genes/fgfr3"
      },
      {
        "slug": "ift122",
        "symbol": "IFT122",
        "name": "intraflagellar transport 122",
        "shared": 1,
        "url": "https://dantelabs.com/fr/genes/ift122"
      },
      {
        "slug": "ift43",
        "symbol": "IFT43",
        "name": "intraflagellar transport 43",
        "shared": 1,
        "url": "https://dantelabs.com/fr/genes/ift43"
      },
      {
        "slug": "ift52",
        "symbol": "IFT52",
        "name": "intraflagellar transport 52",
        "shared": 1,
        "url": "https://dantelabs.com/fr/genes/ift52"
      },
      {
        "slug": "il11ra",
        "symbol": "IL11RA",
        "name": "interleukin 11 receptor subunit alpha",
        "shared": 1,
        "url": "https://dantelabs.com/fr/genes/il11ra"
      },
      {
        "slug": "kat6a",
        "symbol": "KAT6A",
        "name": "lysine acetyltransferase 6A",
        "shared": 1,
        "url": "https://dantelabs.com/fr/genes/kat6a"
      },
      {
        "slug": "megf8",
        "symbol": "MEGF8",
        "name": "multiple EGF like domains 8",
        "shared": 1,
        "url": "https://dantelabs.com/fr/genes/megf8"
      },
      {
        "slug": "msx2",
        "symbol": "MSX2",
        "name": "msh homeobox 2",
        "shared": 1,
        "url": "https://dantelabs.com/fr/genes/msx2"
      },
      {
        "slug": "por",
        "symbol": "POR",
        "name": "cytochrome p450 oxidoreductase",
        "shared": 1,
        "url": "https://dantelabs.com/fr/genes/por"
      }
    ],
    "sources": {
      "bundleId": "2026.10.17-8666dff2",
      "panel": "2026-10-17",
      "acmgSf": "SF v3.2"
    },
    "locusKind": "proteinCoding"
  },
  "variants": {
    "total": 0,
    "url": null,
    "items": []
  }
}