Mesentery
Contiguous fold of tissues that supports the intestines / From Wikipedia, the free encyclopedia
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The mesentery is an organ that attaches the intestines to the posterior abdominal wall and is formed by the double fold of peritoneum. It helps in storing fat and allowing blood vessels, lymphatics, and nerves to supply the intestines, among other functions.[1]
Mesentery | |
---|---|
Details | |
Pronunciation | /ˈmɛzənˌtɛri/ |
System | Digestive system |
Identifiers | |
Latin | mesenterium |
MeSH | D008643 |
TA98 | A10.1.02.007 |
TA2 | 3740 |
FMA | 7144 |
Anatomical terminology |
The mesocolon was thought to be a fragmented structure, with all named parts—the ascending, transverse, descending, and sigmoid mesocolons, the mesoappendix, and the mesorectum—separately terminating their insertion into the posterior abdominal wall.[2] However, in 2012, new microscopic and electron microscopic examinations showed the mesocolon to be a single structure derived from the duodenojejunal flexure and extending to the distal mesorectal layer.[2][3] Thus, the mesentery is an internal organ.[4][5]