drains tributary of Homo sapiens large intestine inferior mesenteric vein http://upload.wikimedia.org/wikipedia/commons/3/33/Gray591.png uberon EHDAA2:0000819 A blood vessel that drains blood from the large intestine that 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. The IMV lies to the right of the similarly name artery, the inferior mesenteric artery, which originates from the abdominal aorta. [WP,unvetted]. UMLS:C0226754 VHOG:0001118 EMAPA:18642 EHDAA:8712 FMA:15391 NCIT:C32782 vena mesenterica inferior MA:0002178 BTO:0002782 UBERON:0001215 lower mesenteric vein splenic vein mesenteric vein