punch biopsy
(pŭnch)- Removal of a small cylindrical biopsy specimen by means of an instrument that either directly pierces the tissue or enters through the skin or a small incision in the skin.
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The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.