{
  "url": "https://dantelabs.com/traits/long-second-metacarpal",
  "trait": {
    "bundleId": "2026.10.17-8666dff2",
    "release": "2026-09-01",
    "slug": "long-second-metacarpal",
    "id": "HP:0006040",
    "name": "Long 2nd long bone of hand",
    "label": "Long second metacarpal",
    "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": "aplasia-hypoplasia-of-the-2nd-metacarpal",
        "name": "Absent/small 2nd long bone of hand",
        "url": "https://dantelabs.com/traits/aplasia-hypoplasia-of-the-2nd-metacarpal"
      }
    ],
    "narrower": [],
    "genes": [
      {
        "slug": "runx2",
        "symbol": "RUNX2",
        "hgnc": "HGNC:10472",
        "name": "RUNX family transcription factor 2",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/runx2"
      }
    ]
  }
}