{
  "url": "https://dantelabs.com/traits/vocal-tremor",
  "trait": {
    "bundleId": "2026.10.17-8666dff2",
    "release": "2026-09-01",
    "slug": "vocal-tremor",
    "id": "HP:0012477",
    "name": "Vocal tremor",
    "definition": "A wavering, unsteady voice that reflects involuntary and approximately sinusoidal oscillation of motor unit firings of laryngeal muscles. Vocal tremor results in low frequency modulations of voice frequency or amplitude and intermittent voice instability.",
    "synonyms": [
      "Shakey voice"
    ],
    "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": "action-tremor",
        "name": "Action tremor",
        "url": "https://dantelabs.com/traits/action-tremor"
      }
    ],
    "narrower": [],
    "genes": [
      {
        "slug": "ano3",
        "symbol": "ANO3",
        "hgnc": "HGNC:14004",
        "name": "anoctamin 3",
        "frequency": "frequent",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/ano3"
      },
      {
        "slug": "notch2nlc",
        "symbol": "NOTCH2NLC",
        "hgnc": "HGNC:53924",
        "name": "notch 2 N-terminal like C",
        "frequency": "occasional",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/notch2nlc"
      }
    ]
  }
}