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anal atresia

n.

Congenital absence of an anal opening due to the presence of a membranous septum or to complete absence of the anal canal.imperforate anus proctatresia

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Nearby words

anagrammatize, anagrammer, anaheim, anakim, anal, anal atresia, anal canal, anal character, anal column, anal duct, anal erotic
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.