{
  "url": "https://dantelabs.com/traits/short-forearm",
  "trait": {
    "bundleId": "2026.10.17-8666dff2",
    "release": "2026-09-01",
    "slug": "short-forearm",
    "id": "HP:0005773",
    "name": "Short forearm",
    "definition": "Underdevelopment of both forearm bones, the ulna and the radius, resulting in a shortened forearm.",
    "synonyms": [
      "Hypoplasia of both radius and ulna"
    ],
    "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": "forearm-undergrowth",
        "name": "Forearm undergrowth",
        "url": "https://dantelabs.com/traits/forearm-undergrowth"
      }
    ],
    "narrower": [],
    "genes": [
      {
        "slug": "rbm8a",
        "symbol": "RBM8A",
        "hgnc": "HGNC:9905",
        "name": "RNA binding motif protein 8A",
        "frequency": "obligate",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/rbm8a"
      },
      {
        "slug": "tbx5",
        "symbol": "TBX5",
        "hgnc": "HGNC:11604",
        "name": "T-box transcription factor 5",
        "frequency": "obligate",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/tbx5"
      }
    ]
  }
}