[mes-uh n-ter-ee, mez-]
- 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
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for mesentery
The veins of the omentum, mesentery, and intestines, were full of blood.Cases of Organic Diseases of the Heart
John Collins Warren
The mesentery is a delicate, narrow membrane about twenty feet long.
The other edge of the mesentery is gathered up as you have gathered the ruffle.
The mesentery, stomach and intestines were excessively thin and transparent.Fasting Girls
William Alexander Hammond
Unfold this tube, separating it from its enveloping membrane, the mesentery.Elementary Zoology, Second Edition
Vernon L. Kellogg
- the double layer of peritoneum that is attached to the back wall of the abdominal cavity and supports most of the small intestine
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 mesentery
Online Etymology Dictionary, © 2010 Douglas Harper
- 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.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.