Diseases of the extrapyramidal system.
D000293:Adolescent; D002648:Child; D005260:Female; D006527:Hepatolenticular Degeneration / Q000175:diagnosis / Q000473:pathology / Q000628:therapy; D006801:Humans; D006816:Huntington Disease / Q000175:diagnosis / Q000235:genetics / Q000473:pathology / Q000628:therapy; D008297:Male; D010300:Parkinson Disease / Q000175:diagnosis / Q000209:etiology / Q000473:pathology / Q000628:therapy