Wednesday, March 4, 2009

Abdominal Aorta Branches


The abdominal aorta supplies blood to much of the abdominal cavity. It begins at T12, and usually has the following branches:
Inferior Phrenic (paired) originates just below the diaphragm, supplying it from below
Celiac (single) large anterior branch
Superior Mesenteric (single) large anterior branch, arises just below celiac trunk
Middle Suprarenal (paired) to adrenal gland
Renal (paired) large artery, each arising from the side of the aorta; supplies corresponding kidney
Gonadal (paired) ovarian artery in females; testicular artery in males
Lumbar (paired) four on each side that supply the abdominal wall and spinal cord
Inferior Mesenteric (single) large anterior branch
Median Sacral (single) artery arising from the middle of the aorta at its lowest part
Common Iliac (paired) branches (bifurcates) to supply blood to the lower limbs and the pelvis, ending the abdominal aorta

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