{
  "url": "https://dantelabs.com/traits/perianal-anesthesia",
  "trait": {
    "bundleId": "2026.10.18-8b139e39",
    "release": "2026-09-01",
    "slug": "perianal-anesthesia",
    "id": "HP:0034982",
    "name": "Perianal anesthesia",
    "definition": "Loss of sensation to the area of buttocks, perianal space and thighs.",
    "synonyms": [],
    "systems": [
      {
        "slug": "abnormality-of-the-nervous-system",
        "name": "Abnormality of the nervous system",
        "url": "https://dantelabs.com/traits/abnormality-of-the-nervous-system"
      }
    ],
    "broader": [
      {
        "slug": "hypoesthesia",
        "name": "Numbness",
        "url": "https://dantelabs.com/traits/hypoesthesia"
      }
    ],
    "narrower": [],
    "genes": [
      {
        "slug": "ptcra",
        "symbol": "PTCRA",
        "hgnc": "HGNC:21290",
        "name": "pre T cell antigen receptor alpha",
        "frequency": "obligate",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/ptcra"
      }
    ]
  }
}