{
  "url": "https://dantelabs.com/traits/abnormal-antitragus-morphology",
  "trait": {
    "bundleId": "2026.10.19-9814e911",
    "release": "2026-09-01",
    "slug": "abnormal-antitragus-morphology",
    "id": "HP:0009896",
    "name": "Abnormal antitragus morphology",
    "definition": "An abnormality of the antitragus, which is a small tubercle opposite to the tragus of the ear. The antitragus and the tragus are separated by the intertragic notch.",
    "synonyms": [],
    "systems": [
      {
        "slug": "abnormality-of-the-ear",
        "name": "Abnormality of the ear",
        "url": "https://dantelabs.com/traits/abnormality-of-the-ear"
      }
    ],
    "broader": [
      {
        "slug": "abnormal-pinna-morphology",
        "name": "Abnormally shaped ears",
        "url": "https://dantelabs.com/traits/abnormal-pinna-morphology"
      }
    ],
    "narrower": [
      {
        "slug": "prominent-antitragus",
        "name": "Prominent antitragus",
        "genes": 6,
        "url": "https://dantelabs.com/traits/prominent-antitragus"
      },
      {
        "slug": "underdeveloped-antitragus",
        "name": "Underdeveloped antitragus",
        "genes": 1,
        "url": "https://dantelabs.com/traits/underdeveloped-antitragus"
      }
    ],
    "genes": [
      {
        "slug": "pnpla6",
        "symbol": "PNPLA6",
        "hgnc": "HGNC:16268",
        "name": "patatin like domain 6, lysophospholipase",
        "frequency": "very-frequent",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/pnpla6"
      },
      {
        "slug": "col2a1",
        "symbol": "COL2A1",
        "hgnc": "HGNC:2200",
        "name": "collagen type II alpha 1 chain",
        "frequency": "occasional",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/col2a1"
      },
      {
        "slug": "fn1",
        "symbol": "FN1",
        "hgnc": "HGNC:3778",
        "name": "fibronectin 1",
        "frequency": "occasional",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/fn1"
      }
    ]
  }
}