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chorea
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chorea

human disease
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Britannica Editors
Encyclopaedia Britannica's editors oversee subject areas in which they have extensive knowledge, whether from years of experience gained by working on that content or via study for an advanced degree....
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History

chorea, neurological disorder characterized by irregular and involuntary movements of muscle groups in various parts of the body. The principal types of chorea are Sydenham chorea (St. Vitus dance) and Huntington disease.