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pallidoansotomy

(păl′ĭ-dō-ăn-sŏtə-mē)
n.
  1. The production of lesions in the globus pallidus and the lenticular ansa, usually by stereotaxy, in order to stop involuntary movements or to relieve muscular rigidity.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.