{
  "url": "https://dantelabs.com/traits/hypoplastic-ventricle",
  "trait": {
    "bundleId": "2026.10.17-8666dff2",
    "release": "2026-09-01",
    "slug": "hypoplastic-ventricle",
    "id": "HP:0001961",
    "name": "Underdeveloped cardiac ventricle",
    "label": "Hypoplastic ventricle",
    "definition": "A congenital defect characterized by underdevelopment of a ventricle of the heart.",
    "synonyms": [],
    "systems": [
      {
        "slug": "abnormality-of-the-cardiovascular-system",
        "name": "Abnormality of the cardiovascular system",
        "url": "https://dantelabs.com/traits/abnormality-of-the-cardiovascular-system"
      }
    ],
    "broader": [
      {
        "slug": "abnormal-heart-morphology",
        "name": "Abnormality of the heart",
        "url": "https://dantelabs.com/traits/abnormal-heart-morphology"
      }
    ],
    "narrower": [
      {
        "slug": "hypoplastic-left-ventricle",
        "name": "Underdeveloped left heart",
        "genes": 52,
        "url": "https://dantelabs.com/traits/hypoplastic-left-ventricle"
      },
      {
        "slug": "hypoplastic-right-ventricle",
        "name": "Underdeveloped right heart",
        "genes": 3,
        "url": "https://dantelabs.com/traits/hypoplastic-right-ventricle"
      }
    ],
    "genes": [
      {
        "slug": "chrna1",
        "symbol": "CHRNA1",
        "hgnc": "HGNC:1955",
        "name": "cholinergic receptor nicotinic alpha 1 subunit",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/chrna1"
      },
      {
        "slug": "chrnd",
        "symbol": "CHRND",
        "hgnc": "HGNC:1965",
        "name": "cholinergic receptor nicotinic delta subunit",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/chrnd"
      },
      {
        "slug": "chrng",
        "symbol": "CHRNG",
        "hgnc": "HGNC:1967",
        "name": "cholinergic receptor nicotinic gamma subunit",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/chrng"
      }
    ]
  }
}