[ mes-uh n-ter-ee, mez- ]
/ ˈmɛs ənˌtɛr i, ˈmɛz- /

noun, plural mes·en·ter·ies. Anatomy.

the membrane, consisting of a double layer of peritoneum, that invests the intestines, attaching them to the posterior wall of the abdomen, maintaining them in position in the abdominal cavity, and supplying them with blood vessels, nerves, and lymphatics, especially the part of this membrane investing the jejunum and ileum.

Origin of mesentery

1375–1425; late Middle English < New Latin mesenterium < Greek mesentérion (equivalent to mes- mes- + entérion, neuter of entérios of the bowel); see enteron
Related formsmes·en·ter·ic, adjectivein·ter·mes·en·ter·ic, adjectivepost·mes·en·ter·ic, adjective Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for mesenteric

British Dictionary definitions for mesenteric


/ (ˈmɛsəntərɪ, ˈmɛz-) /

noun plural -teries

the double layer of peritoneum that is attached to the back wall of the abdominal cavity and supports most of the small intestine
Derived Formsmesenteric, adjective

Word Origin for mesentery

C16: from New Latin mesenterium; see meso- + enteron
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for mesenteric



fold of the peritoneum, early 15c., from medical Latin mesenterium "middle of the intestine," from medical Greek mesenterion, from mesos "middle" (see medial (adj.)) + enteron "intestine" (see enteric). Related: Mesenteric.

Online Etymology Dictionary, © 2010 Douglas Harper

Medicine definitions for mesenteric


[ mĕzən-tĕr′ē ]


A double layer of peritoneum attached to the abdominal wall and enclosing in its fold certain organs of the abdominal viscera.
A fold of the peritoneum that connects the intestines to the dorsal abdominal wall, especially such a fold that envelops the jejunum and ileum.
Related formsmes′en•teric adj.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.