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→Structure
==Structure==
==Structure==
[[Image:jejunumphoto.jpg|thumb|right|150px|Jejunum(Dog) - Copywright RVC 2008]]
*The jejunum is the longest part of the small intestine.
*It is highly coiled and occupies the ventral part of the abdominal cavity, filling those parts that are not occupied by other viscera. This produces species variation (see comparative aspects).
*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.
==Function==
==Function==