{
  "url": "https://dantelabs.com/traits/abnormal-coccyx-morphology",
  "trait": {
    "bundleId": "2026.10.19-9814e911",
    "release": "2026-09-01",
    "slug": "abnormal-coccyx-morphology",
    "id": "HP:0008519",
    "name": "Abnormal tailbone",
    "label": "Abnormal coccyx morphology",
    "definition": "Any structural abnormality of the coccyx.",
    "synonyms": [
      "Abnormality of the coccyx"
    ],
    "systems": [
      {
        "slug": "abnormality-of-the-musculoskeletal-system",
        "name": "Abnormality of the musculoskeletal system",
        "url": "https://dantelabs.com/traits/abnormality-of-the-musculoskeletal-system"
      }
    ],
    "broader": [
      {
        "slug": "abnormal-pelvic-girdle-bone-morphology",
        "name": "Abnormal shape of pelvic girdle bone",
        "url": "https://dantelabs.com/traits/abnormal-pelvic-girdle-bone-morphology"
      },
      {
        "slug": "abnormality-of-the-vertebral-column",
        "name": "Abnormality of the vertebral column",
        "url": "https://dantelabs.com/traits/abnormality-of-the-vertebral-column"
      }
    ],
    "narrower": [
      {
        "slug": "caudal-appendage",
        "name": "Human tail",
        "genes": 6,
        "url": "https://dantelabs.com/traits/caudal-appendage"
      },
      {
        "slug": "prominent-coccyx",
        "name": "Prominent tailbone",
        "genes": 5,
        "url": "https://dantelabs.com/traits/prominent-coccyx"
      },
      {
        "slug": "long-coccyx",
        "name": "Long tailbone",
        "genes": 1,
        "url": "https://dantelabs.com/traits/long-coccyx"
      },
      {
        "slug": "protruding-coccyx",
        "name": "Protruding tailbone",
        "genes": 0,
        "url": "https://dantelabs.com/traits/protruding-coccyx"
      }
    ],
    "genes": []
  }
}