greater omentummedical dictionary

A peritoneal fold passing from the greater curvature of the stomach to the transverse colon, hanging like an apron in front of the intestines.

Synonyms: omentum majus, caul, cowl, epiploon, gastrocolic omentum, pileus, velum.

Lesser omentum, a peritoneal fold passing from the margins of the porta hepatis and the bottom of the fissure of the ductus venosus to the lesser curvature of the stomach and to the the upper border of the duodenum for a distance of about 2 cm beyond the gastroduodenal pylorus.

Synonyms: omentum minus, gastrohepatic omentum, omentulum.

(05 Mar 2000)