Friday, October 13, 2017

The greater omentum is the largest of the two peritoneal folds. It consists of a double sheet of peritoneum, folded on itself so that it has four layers.
The two layers of the greater omentum descend from the greater curvature of the stomach and the beginning of the duodenum. They pass in front of the small intestines, sometimes as low as the pelvis, before turning on themselves, and ascending as far as the transverse colon, where they separate and enclose that part of the intestine.
These individual layers are easily seen in the young, but in the adult they are more or less inseparably blended.
The left border of the greater omentum is continuous with the gastrosplenic ligament; its right border extends as far as the beginning of the duodenum.
The greater omentum is usually thin, and has a perforated appearance. It contains some adipose tissue, which can accumulate considerably in obese people.



Reference

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