Inferior mesenteric vein

In human anatomy, the inferior mesenteric vein (IMV) is a blood vessel that drains blood from the large intestine. It usually terminates when reaching the splenic vein, which goes on to form the portal vein with the superior mesenteric vein (SMV). Anatomical variations include the IMV draining into the confluence of the SMV and splenic vein and the IMV draining in the SMV.

Inferior mesenteric vein
The portal vein and its tributaries. The superior mesenteric vein and splenic vein, into which the inferior mesenteric vein empties. Leinal vein is an old term for splenic vein. Anatomical position.
Superior and inferior duodenal fossæ.
SystemHepatic portal system
Drains tosplenic vein
Arteryinferior mesenteric artery
Latinvena mesenterica inferior
Anatomical terminology


Tributaries of the inferior mesenteric vein drain the large intestine, sigmoid colon and rectum and include the

Additional images

  • "Mesenteric vein inferior". Medcyclopaedia. GE. Archived from the original on 2011-05-26.
  • Anatomy photo:39:06-0100 at the SUNY Downstate Medical Center - "Intestines and Pancreas: Tributaries of Inferior Mesenteric Vein"
  • Anatomy image:8568 at the SUNY Downstate Medical Center
  • Anatomy image:8694 at the SUNY Downstate Medical Center
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