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extrapyramidal disease


Definition: a general term for a number of disorders caused by abnormalities of the basal ganglia or certain brainstem or thalamic nuclei; characterized by motor deficits, loss of postural reflexes, bradykinesia, tremor, rigidity, and various involuntary movements.

Synonym(s): extrapyramidal motor system disease

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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.