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Omenta
- Greater omentum hangs down from stomach, covering transverse colon
- formed by doubling over of dorsal mesentery
- lesser omentum formed from ventral mesentry
- attached to lesser curvature of stomach and undersurface of liver
- free edge on right side
- common bile duct, hepatic artery, and hepatic portal vein lie within
free edge
- behind the lesser omentum lies the lesser sac
- continuous with peritoneal cavity
- entered through epiploic foramen
- limited by porta hepatis above
- anteriorly by free margin of lesser omentum, with vessels
- below by first part of duodenum and hepatic artery
- behind by IVC
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