Definition: Weakness or partial paralysis on one side of the body.
Hemiparesis is a common symptom of multiple sclerosis (MS) and can involve the face, arm and/or leg. It is usually caused by lesions on the corticospinal tract.
Hemiparesis
By Julie Stachowiak, Ph.D., About.com Guide
Updated January 14, 2008
About.com Health's Disease and Condition content is reviewed by the Medical Review Board
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