{
  "url": "https://dantelabs.com/traits/talar-aplasia",
  "trait": {
    "bundleId": "2026.10.19-9814e911",
    "release": "2026-09-01",
    "slug": "talar-aplasia",
    "id": "HP:0033977",
    "name": "Talar aplasia",
    "definition": "Absent talus owing to a congenital defect.",
    "synonyms": [
      "Absent talus",
      "Talus aplasia"
    ],
    "systems": [
      {
        "slug": "abnormality-of-limbs",
        "name": "Abnormality of limbs",
        "url": "https://dantelabs.com/traits/abnormality-of-limbs"
      },
      {
        "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-talus-morphology",
        "name": "Abnormal large bone of ankle",
        "url": "https://dantelabs.com/traits/abnormal-talus-morphology"
      }
    ],
    "narrower": [],
    "genes": [
      {
        "slug": "en1",
        "symbol": "EN1",
        "hgnc": "HGNC:3342",
        "name": "engrailed homeobox 1",
        "frequency": "obligate",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/en1"
      }
    ]
  }
}