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The two layers of the greater omentum descend from the greater curvature of the stomach and the beginning of the duodenum. [2] 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 .
The mesocolon (the part of the mesentery that attaches the colon to the abdominal wall) was formerly thought to be a fragmented structure, with all named parts—the ascending, transverse, descending, and sigmoid mesocolons, the mesoappendix, and the mesorectum—separately terminating their insertion into the posterior abdominal wall. [2]
It is in relation, by its upper surface, with the liver and gall-bladder, the greater curvature of the stomach, and the lower end of the spleen; by its under surface, with the small intestine; by its anterior surface, with the posterior layer of the greater omentum and the abdominal wall; its posterior surface is in relation from right to left ...
The gastrocolic ligament is a portion of the greater omentum that stretches from the greater curvature of the stomach to the transverse colon. It forms part of the anterior wall of the lesser sac. Dividing the gastrocolic ligament provides access to the anterior pancreas and the posterior wall of the stomach.
The lesser omentum (or hepatogastric) is attached to the lesser curvature of the stomach and the liver. [5] The greater omentum (or gastrocolic) hangs from the greater curvature of the stomach and loops down in front of the intestines before curving back upwards to attach to the transverse colon. [5]
The transverse colon is the part of the colon from the hepatic flexure, also known as the right colic, (the turn of the colon by the liver) to the splenic flexure also known as the left colic, (the turn of the colon by the spleen). The transverse colon hangs off the stomach, attached to it by a large fold of peritoneum called the greater omentum.
For this study, they used the following tissues: buccal epithelial, saliva, dry blood spots, buffy coat (part of the blood that contains the most leukocytes), and peripheral blood mononuclear cells.
The omentum are specialized folds of peritoneum that enclose nerves, blood vessels, lymph channels, fatty tissue, and connective tissue. There are two omenta. First, is the greater omentum that hangs off of the transverse colon and greater curvature of the stomach. The other is the lesser omentum that extends between the stomach and the liver. [1]