RT Book, Section A1 Ellison, E. Christopher A1 Zollinger, Jr., Robert M. A1 Pawlik, Timothy M. A1 Vaccaro, Patrick S. A1 Bitans, Marita A1 Baker, Anthony S. SR Print(0) ID 1187821487 T1 Surgical Anatomy for Resection of the Colon and Rectum T2 Zollinger’s Atlas of Surgical Operations, 11e YR 2022 FD 2022 PB McGraw-Hill Education PP New York, NY SN 9781260440850 LK accesssurgery.mhmedical.com/content.aspx?aid=1187821487 RD 2024/04/23 AB Several important anatomic facts influence the technique of surgery in the large intestine. As a consequence of its embryologic development, the colon has two main sources of blood supply. The cecum, ascending colon, and proximal portion of the transverse colon are supplied with blood from the superior mesenteric artery, whereas the distal transverse colon, splenic flexure, descending colon, sigmoid, and upper rectum are supplied by branches of the inferior mesenteric artery (see Chapter 9 for identification of the blood supply).