{
  "url": "https://dantelabs.com/traits/narrow-maxilla",
  "trait": {
    "bundleId": "2026.10.16-c6eea6bf",
    "release": "2026-09-01",
    "slug": "narrow-maxilla",
    "id": "HP:0002010",
    "name": "Decreased breadth of upper jaw bones",
    "label": "Narrow maxilla",
    "synonyms": [
      "Decreased width of upper jaw bones",
      "Narrow upper jaw bones",
      "Decreased transverse dimension of maxilla",
      "Decreased width of maxilla",
      "Transverse hypoplasia of maxilla",
      "Transverse maxillary deficiency",
      "Transverse maxillary insufficiency"
    ],
    "systems": [
      {
        "slug": "abnormality-of-head-or-neck",
        "name": "Abnormality of head or neck",
        "url": "https://dantelabs.com/traits/abnormality-of-head-or-neck"
      },
      {
        "slug": "abnormality-of-the-musculoskeletal-system",
        "name": "Abnormality of the musculoskeletal system",
        "url": "https://dantelabs.com/traits/abnormality-of-the-musculoskeletal-system"
      }
    ],
    "broader": [
      {
        "slug": "abnormal-maxilla-morphology",
        "name": "Abnormality of the upper jaw bone",
        "url": "https://dantelabs.com/traits/abnormal-maxilla-morphology"
      }
    ],
    "narrower": [],
    "genes": [
      {
        "slug": "abl1",
        "symbol": "ABL1",
        "hgnc": "HGNC:76",
        "name": "ABL proto-oncogene 1, non-receptor tyrosine kinase",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/abl1"
      },
      {
        "slug": "col5a1",
        "symbol": "COL5A1",
        "hgnc": "HGNC:2209",
        "name": "collagen type V alpha 1 chain",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/col5a1"
      }
    ]
  }
}