Inferior mesenteric aery supplies all of the following except
Inferior mesenteric aery, often abbreted as IMA, supplies the large intestine from the left colic (or splenic) flexure to the upper pa of the rectum, which includes the descending colon, the sigmoid colon, and pa of the rectum.
Rectum
Sigmoid colon
Splenic flexure
Right colic flexure
Abdomen and pelvis