anal sinus
n.
Any of the grooves between the anal columns.Morgagni's crypt rectal sinus
Words nearby anal sinus
anal phase, anal pit, anal plate, anal reflex, anal retentive, anal sinus, anal sphincter, anal stage, anal vein, anal verge, anal-expulsive
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.