gastrohepatic omentum

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 [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.

less·er o·men·tum

a thin, double-layer peritoneal fold formed by the ventral mesentery of the stomach (ventral mesogastrium) passing from the lesser curvature of the stomach and upper border to the proximal duodenum (2 cm distal to the pylorus) to the liver (margins of the porta hepatis and into the depth of the fissure of the ductus venosus); major subcomponents include the hepatogastric ligament (main sheetlike portion) and the hepatoduodenal ligament (thickened free right border, which encloses the hepatic artery, portal vein, and common bile duct.
Farlex Partner Medical Dictionary © Farlex 2012


(o-ment'um) plural.omenta [L. omentum, adipose membrane]
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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