- A fold of tissue which attaches organs to the body wall. The word mesentery usually refers to the small bowel mesentery which anchors the small intestine to the back of the abdominal wall. Blood vessels, nerves, and lymphatics branch through the mesentery to supply the intestine. Other mesenteries exist to support the sigmoid colon, appendix, transverse colon, and portions of the ascending and descending colon.
* * *1. A double layer of peritoneum attached to the abdominal wall and enclosing in its fold a portion or all of one of the abdominal viscera, conveying to it its vessels and nerves. 2. The fan-shaped fold of peritoneum suspending the greater part of the small intestines (jejunum and ileum) and attaching it to the posterior abdominal wall at the root of the m. (radix mesenterii). SYN: mesenterium dorsale commune, mesostenium. SYN: mesenterium [TA]. [Mod. L. mesenterium, fr. G. mesenterion, fr. G. mesos, middle, + enteron, intestine]
* * *1) one or more vertebrate membranes that consist of a double fold of the peritoneum and invest the intestines and their appendages and connect them with the dorsal wall of the abdominal cavity specif such membranes connected with the jejunum and ileum in humans2) a fold of membrane comparable to a mesentery and supporting a viscus (as the heart) that is not a part of the digestive tract
* * *n.a double layer of peritoneum attaching the stomach, small intestine, pancreas, spleen, and other abdominal organs to the posterior wall of the abdomen. It contains blood and lymph vessels and nerves supplying these organs.• mesenteric adj.
* * *mes·en·tery (mezґən-ter″e) mesenterium. mesenteric adj
Medical dictionary. 2011.
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Mesentery — Horizontal disposition of the peritoneum in the lower part of the abdomen. The mesentery is marked with red … Wikipedia
Mesentery — Mes en*ter*y (?; 277), n. [Gr. mesente rion, me sos + e nteron intestine: cf. F. m[ e]sent[ e]re.] [1913 Webster] 1. (Anat.) The membranes, or one of the membranes (consisting of a fold of the peritoneum and inclosed tissues), which connect the… … The Collaborative International Dictionary of English
mesentery — (n.) fold of the peritoneum, early 15c., from medical L. mesenterium middle of the intestine, from medical Gk. mesenterion, from mesos middle (see MEDIAL (Cf. medial) (adj.)) + enteron intestine (see ENTERIC (Cf. enteric)). Related: Mesenteric … Etymology dictionary
mesentery — [mes′ən ter΄ē, mez′ən ter΄ē] n. pl. mesenteries [ML mesenterium < Gr mesenterion < mesos,MID1 + enteron, intestine: see INTER ] a supporting membrane or membranes enfolding some internal organ and attaching it either to the body wall or to… … English World dictionary
mesentery — noun (plural teries) Etymology: Middle English mesenterie, from Medieval Latin mesenterion, from Greek, from mes + enteron intestine more at inter Date: 15th century 1. a. one or more vertebrate membranes that consist of a double fold of the… … New Collegiate Dictionary
mesentery — double membranes meeting in the midline above and below the viscera formed by the serous membranes in the peritoneal and pericardial cavities. The mesentery in the pericardial cavity disappears during embryonic development and most the the… … Dictionary of ichthyology
mesentery — mesenteric, adj. /mes euhn ter ee, mez /, n., pl. mesenteries. Anat. 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… … Universalium
mesentery — n. membrane enclosing intestines. ♦ mesenterial, ♦ mesenteric, a. ♦ mesenteritis, n. inflammation of mesentery … Dictionary of difficult words
mesentery — n. [Gr. mesos, middle; enteron, gut] A supporting membrane or one that forms a partition … Dictionary of invertebrate zoology
mesentery — noun The membrane that attaches the intestines to the wall of the abdomen, maintaining their position in the abdominal cavity, and supplying them with blood vessels, nerves, and lymphatics … Wiktionary