Chorea (choreia, khoreia, χορεία) is a circle dance (χορεύω σε κύκλο) accompanied by singing (see chorus, khoros), known in ancient Greece. Homer's poem the Iliad refers to chorea, (χορεία) a GreekCircle dance accompanied by singing. Although circle dance did not originate in Greece derivatives of the name are used to describe circle dances in other countries: Khorovod (Russia), Romania, Moldova, Israel), Horo (Bulgaria).
Chorea, the Greek word for "dance," is used to describe the involuntary movements of the body especially of arms, legs and face.
Huntington's chorea is a dominantly inherited disease which is passed down through families by an autosomal dominant form of inheritance.
Huntington's chorea is due to slow degeneration in the basal ganglia, which eventually leads to cell death in the brain and the decrease and increase of various neurotransmitters.
Chorea sancti viti (Latin for "St. Vitus' dance") is an abnormal voluntary movement disorder, one of a group of neurological disorders called dyskinesias.
Chorea is characterized by brief, irregular contractions that are not repetitive or rhythmic, but appear to flow from one muscle to the next.
Chorea may also be caused by drugs (levodopa, anti-convulsants, anti-psychotics), metabolic disorders, endocrine disorders, and vascular incidents.
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