an omentum attached to the stomach, part of the duodenum, and part of the liver and supporting the hepatic vessels.
Compare greater omentum.
Also called gastrohepatic omentum.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Medicine definitions for lesser omentum
A peritoneal fold passing from the margins of the portal fissure to the lesser curvature of the stomach and to the upper border of the duodenum.omentulum
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.