counteropening
(koun′tər-ō′pə-nĭng)- A second opening made at the lowest part of an abscess or other fluid-containing cavity to assist in drainage.contra-aperture counterpuncture
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The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.