{
  "url": "https://dantelabs.com/traits/delayed-vertebral-ossification",
  "trait": {
    "bundleId": "2026.10.17-8666dff2",
    "release": "2026-09-01",
    "slug": "delayed-vertebral-ossification",
    "id": "HP:0031096",
    "name": "Delayed vertebral ossification",
    "definition": "A decrease in the amount of mineralized bone in one or more vertebrae compared with that expected for a given developmental age.",
    "synonyms": [],
    "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": "abnormally-ossified-vertebrae",
        "name": "Abnormal bone maturation of vertebra",
        "url": "https://dantelabs.com/traits/abnormally-ossified-vertebrae"
      }
    ],
    "narrower": [],
    "genes": [
      {
        "slug": "bmper",
        "symbol": "BMPER",
        "hgnc": "HGNC:24154",
        "name": "BMP binding endothelial regulator",
        "frequency": "obligate",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/bmper"
      },
      {
        "slug": "nkx3-2",
        "symbol": "NKX3-2",
        "hgnc": "HGNC:951",
        "name": "NK3 homeobox 2",
        "frequency": "obligate",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/nkx3-2"
      },
      {
        "slug": "col2a1",
        "symbol": "COL2A1",
        "hgnc": "HGNC:2200",
        "name": "collagen type II alpha 1 chain",
        "frequency": "frequent",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/col2a1"
      }
    ]
  }
}