{
  "url": "https://dantelabs.com/traits/hallux-varus",
  "trait": {
    "bundleId": "2026.10.17-8666dff2",
    "release": "2026-09-01",
    "slug": "hallux-varus",
    "id": "HP:0008080",
    "name": "Hallux varus",
    "definition": "Medial deviation of the great toe owing to a deformity of the great toe joint causing the hallux to deviate medially.",
    "synonyms": [
      "Hitchhiker hallux",
      "Hyperabducted big toe",
      "Medially deviated halluces"
    ],
    "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": "deviation-of-the-hallux",
        "name": "Displacement of big toe",
        "url": "https://dantelabs.com/traits/deviation-of-the-hallux"
      }
    ],
    "narrower": [],
    "genes": [
      {
        "slug": "hoxa13",
        "symbol": "HOXA13",
        "hgnc": "HGNC:5102",
        "name": "homeobox A13",
        "frequency": "obligate",
        "diseases": 2,
        "url": "https://dantelabs.com/genes/hoxa13"
      },
      {
        "slug": "med16",
        "symbol": "MED16",
        "hgnc": "HGNC:17556",
        "name": "mediator complex subunit 16",
        "frequency": "obligate",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/med16"
      },
      {
        "slug": "fgfr1",
        "symbol": "FGFR1",
        "hgnc": "HGNC:3688",
        "name": "fibroblast growth factor receptor 1",
        "frequency": "very-frequent",
        "diseases": 2,
        "url": "https://dantelabs.com/genes/fgfr1"
      },
      {
        "slug": "fgfr2",
        "symbol": "FGFR2",
        "hgnc": "HGNC:3689",
        "name": "fibroblast growth factor receptor 2",
        "frequency": "very-frequent",
        "diseases": 4,
        "url": "https://dantelabs.com/genes/fgfr2"
      },
      {
        "slug": "chst11",
        "symbol": "CHST11",
        "hgnc": "HGNC:17422",
        "name": "carbohydrate sulfotransferase 11",
        "frequency": "frequent",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/chst11"
      },
      {
        "slug": "fgf9",
        "symbol": "FGF9",
        "hgnc": "HGNC:3687",
        "name": "fibroblast growth factor 9",
        "frequency": "very-rare",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/fgf9"
      }
    ]
  }
}