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The inferior mesenteric artery and its branches (sigmoid arteries labeled at bottom right)
Their branches supply the lower part of the descending colon, the iliac colon, and the sigmoid or pelvic colon; anastomosing above with the left colic, and below with the superior hemorrhoidal artery.
- Anatomy photo:39:05-0106 at the SUNY Downstate Medical Center - "Intestines and Pancreas: Branches of the Inferior Mesenteric Artery"
- Anatomy image:7926 at the SUNY Downstate Medical Center
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