{
  "url": "https://dantelabs.com/traits/absent-lanugo",
  "trait": {
    "bundleId": "2026.10.17-8666dff2",
    "release": "2026-09-01",
    "slug": "absent-lanugo",
    "id": "HP:0034262",
    "name": "Absent lanugo",
    "definition": "Lack of development of lanugo, the fine, soft, unpigmented hair on the body of a fetus or newborn baby.",
    "synonyms": [],
    "systems": [
      {
        "slug": "abnormality-of-prenatal-development-or-birth",
        "name": "Abnormality of prenatal development or birth",
        "url": "https://dantelabs.com/traits/abnormality-of-prenatal-development-or-birth"
      },
      {
        "slug": "abnormality-of-the-integument",
        "name": "Abnormality of the integument",
        "url": "https://dantelabs.com/traits/abnormality-of-the-integument"
      }
    ],
    "broader": [
      {
        "slug": "abnormal-fetal-skin-morphology",
        "name": "Abnormal fetal skin morphology",
        "url": "https://dantelabs.com/traits/abnormal-fetal-skin-morphology"
      }
    ],
    "narrower": [],
    "genes": [
      {
        "slug": "twist2",
        "symbol": "TWIST2",
        "hgnc": "HGNC:20670",
        "name": "twist family bHLH transcription factor 2",
        "frequency": "frequent",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/twist2"
      }
    ]
  }
}