{
  "url": "https://dantelabs.com/traits/bulging-fontanelle",
  "trait": {
    "bundleId": "2026.10.17-8666dff2",
    "release": "2026-09-01",
    "slug": "bulging-fontanelle",
    "id": "HP:6000647",
    "name": "Bulging fontanelle",
    "definition": "An outward curving of a fontanelle, which occurs when fluid builds up in the brain or the brain swells, causing increased pressure inside the skull.",
    "synonyms": [
      "Tense fontanelle"
    ],
    "systems": [
      {
        "slug": "abnormality-of-head-or-neck",
        "name": "Abnormality of head or neck",
        "url": "https://dantelabs.com/traits/abnormality-of-head-or-neck"
      },
      {
        "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-fontanelle-morphology",
        "name": "Abnormal fontanelle morphology",
        "url": "https://dantelabs.com/traits/abnormal-fontanelle-morphology"
      }
    ],
    "narrower": [],
    "genes": [
      {
        "slug": "irf4",
        "symbol": "IRF4",
        "hgnc": "HGNC:6119",
        "name": "interferon regulatory factor 4",
        "frequency": "obligate",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/irf4"
      }
    ]
  }
}