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Large Intestine - Anatomy & Physiology (view source)
Revision as of 14:01, 14 July 2008
, 14:01, 14 July 2008→Histology
==Histology==
==Histology==
[[Image:mucosal layer of colon.jpg|thumb|right|150px|Mucosal Layer of Colon (Fox) - Copywright RVC 2008]]
[[Image:mucosal layer of colon.jpg|thumb|right|150px|Mucosal Layer of Colon (Fox) - Copywright RVC 2008]]
*The muscosa of the large intestine is smooth; there are '''no villi'''.
*The mucosa of the large intestine is smooth; there are '''no villi'''.
*Mucosal glands are much longer and straighter.
*Mucosal glands are much longer and straighter.
*The number of goblet cells in the mucosa increases compared to the small intestine.
*The number of goblet cells in the mucosa is increased compared to the small intestine.
**Mucus is very important for lubrication of the ingesta as it passes through the intestine, particularly as more water is absorbed from the lumen making it drier.
**Mucus is very important for lubrication of the ingesta as it passes through the intestine, particularly as more water is absorbed from the lumen making it drier.
*There are numerous scattered lymph nodules.
*There are numerous scattered lymph nodules.