{
  "url": "https://dantelabs.com/traits/posterior-helix-pit",
  "trait": {
    "bundleId": "2026.10.17-8666dff2",
    "release": "2026-09-01",
    "slug": "posterior-helix-pit",
    "id": "HP:0008523",
    "name": "Indentation in back of outer ear",
    "label": "Posterior helix pit",
    "definition": "Permanent indentation on the posteromedial aspect of the helix that may be sharply or indistinctly delineated.",
    "synonyms": [
      "Ear, posterior helical groove",
      "Ear, posterior helical notch",
      "Helix, posterior pit",
      "Pits in posterior aspect of ear helices"
    ],
    "systems": [
      {
        "slug": "abnormality-of-the-ear",
        "name": "Abnormality of the ear",
        "url": "https://dantelabs.com/traits/abnormality-of-the-ear"
      }
    ],
    "broader": [
      {
        "slug": "abnormal-helix-morphology",
        "name": "Abnormal helix morphology",
        "url": "https://dantelabs.com/traits/abnormal-helix-morphology"
      }
    ],
    "narrower": [],
    "genes": [
      {
        "slug": "slc32a1",
        "symbol": "SLC32A1",
        "hgnc": "HGNC:11018",
        "name": "solute carrier family 32 member 1",
        "frequency": "occasional",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/slc32a1"
      },
      {
        "slug": "cdkn1c",
        "symbol": "CDKN1C",
        "hgnc": "HGNC:1786",
        "name": "cyclin dependent kinase inhibitor 1C",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/cdkn1c"
      },
      {
        "slug": "ep300",
        "symbol": "EP300",
        "hgnc": "HGNC:3373",
        "name": "EP300 lysine acetyltransferase",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/ep300"
      },
      {
        "slug": "gpc3",
        "symbol": "GPC3",
        "hgnc": "HGNC:4451",
        "name": "glypican 3",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/gpc3"
      },
      {
        "slug": "igf2",
        "symbol": "IGF2",
        "hgnc": "HGNC:5466",
        "name": "insulin like growth factor 2",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/igf2"
      },
      {
        "slug": "kcnq1",
        "symbol": "KCNQ1",
        "hgnc": "HGNC:6294",
        "name": "potassium voltage-gated channel subfamily Q member 1",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/kcnq1"
      },
      {
        "slug": "kcnq1ot1",
        "symbol": "KCNQ1OT1",
        "hgnc": "HGNC:6295",
        "name": "KCNQ1 opposite strand/antisense transcript 1",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/kcnq1ot1"
      }
    ]
  }
}