part of part of connected to develops from vessel drains blood from Homo sapiens superior mesenteric vein http://upload.wikimedia.org/wikipedia/commons/3/33/Gray591.png https://cdn.humanatlas.io/digital-objects/ref-organ/blood-vasculature-female/v1.3/assets/3d-vh-f-blood-vasculature.glb In anatomy, the superior mesenteric vein (SMV) is a blood vessel that drains blood from the small intestine. At its termination behind the neck of the pancreas, the SMV combines with the splenic vein to form the hepatic portal vein. The SMV lies to the right of the similarly named artery, the superior mesenteric artery, which originates from the abdominal aorta. [WP,unvetted]. VHOG:0000552 Wikipedia:Superior_mesenteric_vein FMA:14332 UBERON:0001138 vena mesenterica superior EHDAA2:0001951 BTO:0002783 SCTID:278031001 EHDAA:5414 superior mesenteric vein MA:0002179 upper mesenteric vein EMAPA:18643 UMLS:C0226742 NCIT:C33687 hepatic portal vein small intestine vitelline vein mesenteric vein portal system