Changes

==Histology==

==Histology==

[[Image:Anal Glands.jpg|thumb|right|150px|Anal Glands- Copywright RVC 2008]]

[[Image:Anal Glands.jpg|thumb|right|150px|Anal Glands- © RVC 2008]]

*At the anus, the columnar intestinal epithelium is replaced by the stratified squamous keratinised epithelium of the skin.

*At the anus, the columnar intestinal epithelium is replaced by the stratified squamous keratinised epithelium of the skin.

*The '''anal canal''' joins the bowel to the exterior and is the last 2-3cm of the alimentary tract.

*The '''anal canal''' joins the bowel to the exterior and is the last 2-3cm of the alimentary tract.