 A double layered peritoneal fold connecting the lesser curvature of the stomach and the adjoining upper edge of the duodenum to the liver.
It consists of two ligaments:
- Hepatogastric
- Hepatoduodenal
The two layers of the lesser omentum are continuous with the serous coats of:
(+) Liver
(+) Stomach
(+) Duodenum.
The right edge of the lesser omentum is free and contains:
- Common bile duct on the right.
- Hepatic artery on the left.
- Portal vein behind and between the two.
To the left of this trio, the right and left gastric arteries run between the two layers.
The lesser omentum also contains:
- Nerve plexuses which accompany the arteries
- Lymphatics
- Lymph nodes and fat.
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