* * *(HD) a triplet repeat disorder caused by expansion of CAG triplet repeats within the HTT gene (locus: 4p16.3), which encodes the protein huntingtin (q.v.), with autosomal dominant inheritance and anticipation, and characterized by chronic progressive chorea and mental deterioration terminating in dementia; the age of onset is variable but usually in the fourth decade of life, with death within 15 years. Called also Huntington chorea.
Medical dictionary. 2011.
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Huntington's disease — ☆ Huntington s disease n. [after G. Huntington (1851 1916), U.S. physician] a progressive hereditary chorea, accompanied by increasing mental deterioration: sometimes called Huntington s chorea … English World dictionary