{
  "url": "https://dantelabs.com/traits/cor-triatriatum",
  "trait": {
    "bundleId": "2026.10.17-8666dff2",
    "release": "2026-09-01",
    "slug": "cor-triatriatum",
    "id": "HP:0010774",
    "name": "Cor triatriatum",
    "definition": "The presence of an additional membrane in the left or right cardiac atrium which results in the subdivision of the affected atrium (and thus in total three atria, whence the name).",
    "synonyms": [
      "Triatrial heart"
    ],
    "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-cardiac-atrium-morphology",
        "name": "Abnormality of heart atrium",
        "url": "https://dantelabs.com/traits/abnormal-cardiac-atrium-morphology"
      }
    ],
    "narrower": [
      {
        "slug": "cor-triatriatum-sinister",
        "name": "Cor triatriatum sinister",
        "genes": 2,
        "url": "https://dantelabs.com/traits/cor-triatriatum-sinister"
      }
    ],
    "genes": [
      {
        "slug": "g6pc3",
        "symbol": "G6PC3",
        "hgnc": "HGNC:24861",
        "name": "glucose-6-phosphatase catalytic subunit 3",
        "frequency": "occasional",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/g6pc3"
      },
      {
        "slug": "hyal2",
        "symbol": "HYAL2",
        "hgnc": "HGNC:5321",
        "name": "hyaluronidase 2",
        "frequency": "occasional",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/hyal2"
      },
      {
        "slug": "ift56",
        "symbol": "IFT56",
        "hgnc": "HGNC:21882",
        "name": "intraflagellar transport 56",
        "frequency": "occasional",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/ift56"
      }
    ]
  }
}