Lesser omentum
（重定向自Omentum minus）
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![The primitive mesentery of a six weeks’ human embryo, half schematic. (Lesser omentum labeled at left.)](/Images/godic/202501/31/Gray9840807.png")
The lesser omentum (small omentum or gastrohepatic omentum) is the double layer of peritoneum that extends from the liver to the lesser curvature of the stomach (hepatogastric ligament) and the first part of the duodenum (hepatoduodenal ligament).