A. First part of colon.

B. Suprasternal flexure, c. Second part of colon.

D. Pelvic flexure.

E. Third part of colon.

F. Diaphragmatic flexure. g. Fourth part of colon. h. Caecum.

i. Ilium.

J. Great mesentery.

K. Small intestine.

L. Duodenum.

1. Posterior aorta.

2. Anterior division of anterior mesenteric artery.

3. Eight division of anterior mesenteric artery.

4. Artery of the arch of the caecum.

5. Superior ca-cal artery.

6. Ilio-caecal artery.

7. Bunch of arteries to small intestine.

8. First artery to single colon.

9. Right colic artery.

10. Left or retrograde colic artery.