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Rectum - Anatomy & Physiology (view source)
Revision as of 14:39, 14 July 2008
, 14:39, 14 July 2008→Histology
==Histology==
==Histology==
===Rectum===
*Epithelium is columnar.
*Goblet cells are present in the mucosa.
===Recto-Anal Junction===
===Recto-Anal Junction===
*The circular layer of the tunica muscularis forms the internal anal sphincter.
*The circular layer of the tunica muscularis forms the internal anal sphincter.
*The external anal sphincter is formed from skeletal muscle.
*The external anal sphincter is formed from skeletal muscle.
*Epithelium changes from
*Epithelium changes from columnar to stratified squamous non-keratinised.
==Species Differences==
==Species Differences==