chorea Definition

a movement disorder marked by involuntary spasmodic movements especially of the limbs and facial muscles and typically symptomatic of neurological dysfunction (such as that associated with a neurodegenerative disease or metabolic disturbance)

a chorea chiefly of children and adolescents that occurs following Group A streptococcal infection and is mainly a neurological manifestation of rheumatic fever and that is characterized especially by involuntary movements of the face, arms, legs, and trunk —called also Saint Vitus' dance

a hereditary brain disorder that is a progressive, neurodegenerative condition marked especially by impairments in thinking and reasoning, disturbances of emotion and behavior, and the involuntary spasmodic movements of chorea and that is associated with the loss or atrophy of nerve cells in the basal ganglia especially of the caudate nucleus and putamen