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Jejunum - Anatomy & Physiology (view source)
Revision as of 11:05, 25 July 2008
, 11:05, 25 July 2008→Structure
[[Image:jejunumphoto.jpg|thumb|right|150px|Jejunum(Dog) - © RVC 2008]]
[[Image:jejunumphoto.jpg|thumb|right|150px|Jejunum(Dog) - © RVC 2008]]
*It occupies the ventral part of the abdominal cavity, filling those parts that are not occupied by other viscera. This produces species variation (see [[#Species Differences|species differences]]).
*It occupies the ventral part of the abdominal cavity, filling those parts that are not occupied by other viscera. This produces species variation (see [[#Species Differences|species differences]]).
*It lies on the abdominal floor, separated from the parietal [[Peritoneum - Anatomy & Physiology|peritoneum]] by the greater omentum.
*It lies on the abdominal floor, separated from the parietal [[Peritoneal cavity- Anatomy & Physiology|peritoneum]] by the greater omentum.
*It is suspended by the mesentry (mesojejunum). This conveys the blood vessels and nerves and houses lymph nodes.
*It is suspended by the mesentry (mesojejunum). This conveys the blood vessels and nerves and houses lymph nodes.
**The mesentry converges to its root. This is where the cranial mesenteric artery branches off from the aorta.
**The mesentry converges to its root. This is where the cranial mesenteric artery branches off from the aorta.