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perineotomy in Medicine

perineotomy

(pĕr′ə-nē-ŏtə-mē)
n.
  1. Incision into the perineum, as in external urethrotomy or lithotomy or to facilitate childbirth.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.