{
  "url": "https://dantelabs.com/traits/superior-rectus-atrophy",
  "trait": {
    "bundleId": "2026.10.17-8666dff2",
    "release": "2026-09-01",
    "slug": "superior-rectus-atrophy",
    "id": "HP:0012242",
    "name": "Superior rectus atrophy",
    "definition": "Atrophy of the superior rectus, the extraocular muscle whose primary function is to elevate the globe.",
    "synonyms": [
      "Rectus superior atrophy"
    ],
    "systems": [
      {
        "slug": "abnormality-of-head-or-neck",
        "name": "Abnormality of head or neck",
        "url": "https://dantelabs.com/traits/abnormality-of-head-or-neck"
      },
      {
        "slug": "abnormality-of-the-musculoskeletal-system",
        "name": "Abnormality of the musculoskeletal system",
        "url": "https://dantelabs.com/traits/abnormality-of-the-musculoskeletal-system"
      }
    ],
    "broader": [
      {
        "slug": "abnormality-of-the-extraocular-muscles",
        "name": "Abnormality of the extraocular muscles",
        "url": "https://dantelabs.com/traits/abnormality-of-the-extraocular-muscles"
      }
    ],
    "narrower": [],
    "genes": [
      {
        "slug": "kif21a",
        "symbol": "KIF21A",
        "hgnc": "HGNC:19349",
        "name": "kinesin family member 21A",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/kif21a"
      },
      {
        "slug": "tubb3",
        "symbol": "TUBB3",
        "hgnc": "HGNC:20772",
        "name": "tubulin beta 3 class III",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/tubb3"
      }
    ]
  }
}