{
  "url": "https://dantelabs.com/traits/small-fontanelle",
  "trait": {
    "bundleId": "2026.10.17-8666dff2",
    "release": "2026-09-01",
    "slug": "small-fontanelle",
    "id": "HP:0005486",
    "name": "Little cranial sutures",
    "label": "Small fontanelle",
    "definition": "A fontanelle that is small for age.",
    "synonyms": [
      "Small cranial sutures",
      "Small soft spot",
      "Little fontanelle",
      "Microfontanelle"
    ],
    "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": "rbmx",
        "symbol": "RBMX",
        "hgnc": "HGNC:9910",
        "name": "RNA binding motif protein X-linked",
        "frequency": "frequent",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/rbmx"
      }
    ]
  }
}