{
  "url": "https://dantelabs.com/traits/abnormal-odontoid-process-morphology",
  "trait": {
    "bundleId": "2026.10.17-8666dff2",
    "release": "2026-09-01",
    "slug": "abnormal-odontoid-process-morphology",
    "id": "HP:0003310",
    "name": "Abnormal odontoid process morphology",
    "definition": "Abnormal structure of the odontoid process, which is a part of the C2 or axis vertebra and forms pivot of the structures forming the craniovertebral junction. The odontoid process is also known as the dens of the axis.",
    "synonyms": [
      "Abnormal odontoid peg",
      "Abnormal odontoid process",
      "Abnormality of the odontoid process"
    ],
    "systems": [
      {
        "slug": "abnormality-of-the-musculoskeletal-system",
        "name": "Abnormality of the musculoskeletal system",
        "url": "https://dantelabs.com/traits/abnormality-of-the-musculoskeletal-system"
      }
    ],
    "broader": [
      {
        "slug": "abnormality-of-the-vertebral-column",
        "name": "Abnormality of the vertebral column",
        "url": "https://dantelabs.com/traits/abnormality-of-the-vertebral-column"
      }
    ],
    "narrower": [
      {
        "slug": "hypoplasia-of-the-odontoid-process",
        "name": "Hypoplasia of the odontoid process",
        "genes": 27,
        "url": "https://dantelabs.com/traits/hypoplasia-of-the-odontoid-process"
      },
      {
        "slug": "anteriorly-placed-odontoid-process",
        "name": "Anteriorly placed odontoid process",
        "genes": 2,
        "url": "https://dantelabs.com/traits/anteriorly-placed-odontoid-process"
      },
      {
        "slug": "os-odontoideum",
        "name": "Os odontoideum",
        "genes": 2,
        "url": "https://dantelabs.com/traits/os-odontoideum"
      }
    ],
    "genes": [
      {
        "slug": "dll3",
        "symbol": "DLL3",
        "hgnc": "HGNC:2909",
        "name": "delta like canonical Notch ligand 3",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/dll3"
      },
      {
        "slug": "hes7",
        "symbol": "HES7",
        "hgnc": "HGNC:15977",
        "name": "hes family bHLH transcription factor 7",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/hes7"
      },
      {
        "slug": "mesp2",
        "symbol": "MESP2",
        "hgnc": "HGNC:29659",
        "name": "mesoderm posterior bHLH transcription factor 2",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/mesp2"
      }
    ]
  }
}