{
  "url": "https://dantelabs.com/traits/fourth-toe-symphalangism",
  "trait": {
    "bundleId": "2026.10.19-9814e911",
    "release": "2026-09-01",
    "slug": "fourth-toe-symphalangism",
    "id": "HP:0010377",
    "name": "Fused bones of 4th toe",
    "label": "Fourth toe symphalangism",
    "definition": "Fusion of an interphalangeal joint of the fourth toe.",
    "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": "abnormality-of-the-phalanges-of-the-4th-toe",
        "name": "Abnormality of the phalanges of the 4th toe",
        "url": "https://dantelabs.com/traits/abnormality-of-the-phalanges-of-the-4th-toe"
      },
      {
        "slug": "toe-symphalangism",
        "name": "Fused toe bones",
        "url": "https://dantelabs.com/traits/toe-symphalangism"
      }
    ],
    "narrower": [
      {
        "slug": "proximal-4th-toe-symphalangism",
        "name": "Fused innermost and middle bones of 4th toe",
        "genes": 1,
        "url": "https://dantelabs.com/traits/proximal-4th-toe-symphalangism"
      }
    ],
    "genes": []
  }
}