Arteries of the Abdomen
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A. Aorta; B. Renal artery; C. Ureter (more on this in Lab 12); D. Testicular or ovarian artery (depending on if you have a male or female critter); E. Caudal mesenteric artery (the third unpaired artery of the abdomen); What structures does the caudal mesenteric artery supply? F. Deep circumflex iliac artery; G. External iliac arteries; H. Internal iliac arteries
The caudal mesenteric artery supplies blood to the descending colon and the rectum.