The arterial supply to the transverse colon (Fig. 4.90) includes: the right colic artery from the superior mesenteric artery, the middle colic artery from the superior mesenteric artery, and the left colic artery from the inferior mesenteric artery.
The arterial supply to the descending colon (Fig. 4.90) includes the left colic artery from the inferior mesenteric artery.