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sphincterectomy in Medicine

sphincterectomy

(sfĭngk′tə-rĕktə-mē)
n.
  1. Excision of a portion of the pupillary border of the iris.
  2. Excision of a sphincter muscle.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.