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Revision as of 23:37, 11 February 2007

Anal columns
Coronal section of rectum and anal canal.
The interior of the anal cami and lower part of the rectum, showing the columns of Morgagni and the anal valves between their lower ends. The columns were more numerous in the specimen than usual.
Details
Identifiers
Latincolumnae anales
TA98A05.7.05.004
TA23012
FMA15713 76435, 15713
Anatomical terminology

The lumen of the anal canal presents, in its upper half, a number of vertical folds, produced by an infolding of the mucous membrane and some of the muscular tissue. They are known as the anal columns (or rectal columns [Morgagni]).

Public domain This article incorporates text in the public domain from page 1185 of the 20th edition of Gray's Anatomy (1918)