anal column

n.

Any of the vertical ridges in the mucous membrane of the upper half of the anal canal.rectal column

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Nearby words

anakim, anal, anal atresia, anal canal, anal character, anal column, anal duct, anal erotic, anal fin, anal fissure, anal fistula

The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.