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The right and left gastroepiploic arteries (also known as gastroomental) provide the sole blood supply to the greater omentum. Both are branches of the celiac trunk . The right gastroepiploic artery is a branch of the gastroduodenal artery , which is a branch of the common hepatic artery , which is a branch of the celiac trunk.
It runs from right to left along the greater curvature of the stomach, between the layers of the greater omentum, anastomosing with the left gastroepiploic artery, a branch of the splenic artery. Blood supply to the stomach: left and right gastric artery, left and right gastroepiploic artery and short gastric artery. [1]
The left gastroepiploic artery (or left gastro-omental artery), the largest branch of the splenic artery, runs from left to right about a finger's breadth or more from the greater curvature of the stomach, between the layers of the greater omentum, and anastomoses with the right gastroepiploic (a branch of the right gastro-duodenal artery originating from the hepatic branch of the coeliac trunk).
At its commencement the greater curvature is covered by peritoneum continuous with that covering the front of the organ. The left part of the curvature gives attachment to the gastrosplenic ligament, while its anterior portion is attached to the two layers of the greater omentum, separated from each other by the gastroepiploic vessels.
The theory behind this is that fat accumulation within the omentum occludes blood supply to the distal parts of the omentum in addition to making it more susceptible to torsion. Other risk factors for omental infarction are polycythemia, hypercoagulability, and vasculitides plus other conditions which predispose to torsion such as trauma ...
Blood supply to the stomach: left and right gastric artery, left and right gastro-omental artery and short gastric artery. [ 2 ] The celiac artery and its branches; the liver has been raised, and the lesser omentum and anterior layer of the greater omentum removed.
The gastrosplenic ligament (also known as the ligamentum gastrosplenicum or gastrolienal ligament) is part of the greater omentum extending between the stomach and the spleen. It contains several blood vessels.
In the adult, these connective structures of omentum and mesentery form the peritoneum, and act as an insulating and protective layer while also supplying organs with blood and lymph vessels as well as nerves. [29] Arterial supply to all these structures is from the celiac trunk, and venous drainage is by the portal venous system.