Blood supply of abdomen from "summary" of Bd Chaurasia's Human Anatomy, Volume 1 by B. D. Chaurasia
The abdominal aorta supplies blood to the abdomen. It arises from the aortic opening of the diaphragm at the level of the lower border of the twelfth thoracic vertebra. The abdominal aorta divides into two common iliac arteries at the level of the fourth lumbar vertebra, which, in turn, give off branches supplying various abdominal organs and structures. The three main branches of the abdominal aorta are the celiac trunk, superior mesenteric artery, and inferior mesenteric artery. The celiac trunk arises at the level of the upper border of the first lumbar vertebra and gives off three branches: left gastric artery, splenic artery, and common hepatic artery. These branches supply the stomach, spleen, liver, and part of the pancreas. The superior mesenteric artery arises at the level of the lower border of the first lumbar vertebra and supplies b...
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