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Parkinsonism | definition of parkinsonism by Medical ...

parkinsonism [pahr´kin-sun-izm] any disorder manifesting the symptoms of parkinson's disease or any such symptom complex occurring secondarily to another disorder, such as encephalitis, cerebral arteriosclerosis, poisoning with certain toxins, and neurosyphilis. par·kin·son·ism (par'kin-son-izm), 1. A neurologic syndrome usually resulting from ...