{
  "url": "https://dantelabs.com/traits/enlarged-tectum",
  "trait": {
    "bundleId": "2026.10.17-8666dff2",
    "release": "2026-09-01",
    "slug": "enlarged-tectum",
    "id": "HP:0034405",
    "name": "Enlarged tectum",
    "definition": "Increasaed size of the tectum, which is the region of the midbrain posterior to the cerebral aqueduct of Sylvius. The midbrain is the most superior portion of the brainstem.",
    "synonyms": [
      "Thick tectum"
    ],
    "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": "abnormal-brainstem-morphology",
        "name": "Abnormal shape of brainstem",
        "url": "https://dantelabs.com/traits/abnormal-brainstem-morphology"
      }
    ],
    "narrower": [],
    "genes": [
      {
        "slug": "macf1",
        "symbol": "MACF1",
        "hgnc": "HGNC:13664",
        "name": "microtubule actin crosslinking factor 1",
        "frequency": "occasional",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/macf1"
      }
    ]
  }
}