an omentum attached to the stomach, part of the duodenum, and part of the liver and supporting the hepatic vessels.
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Also called gastrohepatic omentum.
Compare greater omentum.
Words nearby lesser omentum
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020
Medical 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.