gastrohepatic omentum

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.

less·er o·men·tum

[TA]

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.

Synonym(s): omentum minus [TA], gastrohepatic omentum, omentulum

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