{
  "url": "https://dantelabs.com/traits/unilateral-polymicrogyria",
  "trait": {
    "bundleId": "2026.10.17-8666dff2",
    "release": "2026-09-01",
    "slug": "unilateral-polymicrogyria",
    "id": "HP:0006927",
    "name": "Unilateral polymicrogyria",
    "definition": "Excessive number of small gyri (convolutions) on the surface of one side of the brain.",
    "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": "polymicrogyria",
        "name": "More grooves in brain",
        "url": "https://dantelabs.com/traits/polymicrogyria"
      }
    ],
    "narrower": [],
    "genes": [
      {
        "slug": "tubb2b",
        "symbol": "TUBB2B",
        "hgnc": "HGNC:30829",
        "name": "tubulin beta 2B class IIb",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/tubb2b"
      }
    ]
  }
}