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Related to omentum: lesser omentum


 [o-men´tum] (L.)
a fold of peritoneum extending from the stomach to adjacent abdominal organs. adj., adj omen´tal.
gastrocolic omentum greater omentum.
gastrohepatic omentum lesser omentum.
greater omentum a peritoneal fold attached to the anterior surface of the transverse colon.
lesser omentum a peritoneal fold joining the lesser curvature of the stomach and the first part of the duodenum to the porta hepatis.
omentum ma´jus greater omentum.
omentum mi´nus lesser omentum.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.


, pl.


(ō-men'tŭm, -tă), [TA]
A fold of peritoneum passing from the stomach to another abdominal organ.
[L. the membrane that encloses the bowels]
Farlex Partner Medical Dictionary © Farlex 2012


n. pl. omen·ta (-tə) or omen·tums
One of the folds of the peritoneum that connect the stomach with other abdominal organs, especially:
a. The greater omentum.
b. The lesser omentum.

o·men′tal (-təl) adj.
The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.


, pl. omenta (ō-men'tŭm, -ta) [TA]
A fold of peritoneum passing from the stomach to another abdominal organ.
[L. the membrane that encloses the bowels]
Medical Dictionary for the Health Professions and Nursing © Farlex 2012


(o-ment'um) plural.omenta [L. omentum, adipose membrane]
Enlarge picture
A double fold of peritoneum attached to the stomach and connecting it with certain of the abdominal viscera. It contains a cavity, the omental bursa (lesser peritoneal cavity). See: illustration

gastrocolic omentum

Greater omentum.

gastrohepatic omentum

Lesser omentum.

greater omentum

The portion of the omentum that is suspended from the greater curvature of the stomach and covers the intestines like an apron. It is the largest of the folds of the peritoneum. It dips in among the folds of the intestines and is attached to the transverse colon and mesocolon. It contains fat, prevents friction, and aids in localizing infections.
Synonym: gastrocolic omentum

lesser omentum

The portion of the omentum that passes from the lesser curvature of the stomach to the transverse fissure of the liver.
omental (o-ment'al), adjective
Medical Dictionary, © 2009 Farlex and Partners


One of two double folds of PERITONEUM, the greater and lesser omenta, that hang down like aprons from the liver and stomach over the coils of small intestine. The omenta usually contain fat and are often effective in sealing down and localizing areas of inflammation of the peritoneum (PERITONITIS). Also known as the epiploon.
Collins Dictionary of Medicine © Robert M. Youngson 2004, 2005
References in periodicals archive ?
Haemangiopericytoma arising from the omentum is extremely rare.
The best lesson we hope you and everyone else can take from this news is to keep your belly lean so the omentum can do its job of helping you heal and keeping your body and brain healthy.
Attaching the omentum, a supposedly useless organ lying close to the kidney, to the diseased kidney could be put into practice after some more developmental work.
Prostate cancer with metastasis to the omentum and massive ascites: a rare manifestation of a common disease.
In two patients, the wire bristle was noted lodged within the omentum adjacent to a loop of small intestine.
The greater omentum (hereafter omentum) was the mesentery attached to the greater curvature of the stomach and was much larger than the popliteal or sternal depots.
(5) The contained abdominal contents may include, in order of decreasing frequency, the omentum, colon, stomach, liver and small intestine.
Goldsmith discovered lipid fraction from the omentum which exerts angiogenic properties.
By January 2008, Sheila had metastases to the lining of the abdomen (omentum) and she was also warned that her survival would be less than a year without chemo and only two and a half years with chemo.
It's good and you've got to keep them omentum up," said Holland.
In the terrier, the greater omentum and a part of the right apical lung lobe showed changes similar to those in the lymph nodes.