{
  "url": "https://dantelabs.com/traits/fibular-duplication",
  "trait": {
    "bundleId": "2026.10.17-8666dff2",
    "release": "2026-09-01",
    "slug": "fibular-duplication",
    "id": "HP:0010503",
    "name": "Duplicated calf bone",
    "label": "Fibular duplication",
    "definition": "Duplication of the fibula. This may occur as a part of diplopodia (accessory tarsal or metatarsal bone). Diplopodia with double fibula is an extremely rare condition.",
    "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": [],
    "genes": [
      {
        "slug": "lmbr1",
        "symbol": "LMBR1",
        "hgnc": "HGNC:13243",
        "name": "limb development membrane protein 1",
        "frequency": "frequent",
        "diseases": 2,
        "url": "https://dantelabs.com/genes/lmbr1"
      }
    ]
  }
}