Definition : The artery supplying nearly all the left half of the transverse colon, the whole of
the descending colon, the sigmoid colon, and the greater part of the rectum. It is
smaller than the superior mesenteric artery (mesenteric artery, superior) and arises
from the aorta above its bifurcation into the common iliac arteries. [MeSH];
The artery supplying nearly all the left half of the transverse colon, the whole of
the descending colon, the sigmoid colon, and the greater part of the rectum. It is
smaller than the superior mesenteric artery (mesenteric artery, superior) and arises
from the aorta above its bifurcation into the common iliac arteries. [MeSH]