{
  "url": "https://dantelabs.com/traits/fibular-overgrowth",
  "trait": {
    "bundleId": "2026.10.17-8666dff2",
    "release": "2026-09-01",
    "slug": "fibular-overgrowth",
    "id": "HP:0003099",
    "name": "Overgrowth of calf bone",
    "label": "Fibular overgrowth",
    "definition": "Relatively increased growth of the fibula compared to that of the tibia.",
    "synonyms": [],
    "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-fibula-morphology",
        "name": "Abnormality of the calf bone",
        "url": "https://dantelabs.com/traits/abnormal-fibula-morphology"
      }
    ],
    "narrower": [
      {
        "slug": "proximal-fibular-overgrowth",
        "name": "Overgrowth of innermost part of calf bone",
        "genes": 1,
        "url": "https://dantelabs.com/traits/proximal-fibular-overgrowth"
      }
    ],
    "genes": [
      {
        "slug": "ddrgk1",
        "symbol": "DDRGK1",
        "hgnc": "HGNC:16110",
        "name": "DDRGK domain containing 1",
        "frequency": "occasional",
        "diseases": 2,
        "url": "https://dantelabs.com/genes/ddrgk1"
      },
      {
        "slug": "ihh",
        "symbol": "IHH",
        "hgnc": "HGNC:5956",
        "name": "Indian hedgehog signaling molecule",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/ihh"
      }
    ]
  }
}