{
  "url": "https://dantelabs.com/traits/absent-forearm-bone",
  "trait": {
    "bundleId": "2026.10.17-8666dff2",
    "release": "2026-09-01",
    "slug": "absent-forearm-bone",
    "id": "HP:0003953",
    "name": "Absent forearm bone",
    "definition": "Absence of one or more forearm bones associated with congenital failure of development.",
    "synonyms": [
      "Absent forearm bones",
      "Aplasia involving forearm bones",
      "Aplasia of the forearm bones"
    ],
    "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": "aplasia-hypoplasia-involving-forearm-bones",
        "name": "Absent/small forearm bones",
        "url": "https://dantelabs.com/traits/aplasia-hypoplasia-involving-forearm-bones"
      }
    ],
    "narrower": [
      {
        "slug": "absent-radius",
        "name": "Missing outer large bone of forearm",
        "genes": 25,
        "url": "https://dantelabs.com/traits/absent-radius"
      },
      {
        "slug": "aplasia-of-the-ulna",
        "name": "Aplasia of the ulna",
        "genes": 5,
        "url": "https://dantelabs.com/traits/aplasia-of-the-ulna"
      }
    ],
    "genes": []
  }
}