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superior mesenteric vein
In anatomy, the superior mesenteric vein (SMV) is a blood vessel that drains blood from the small intestine (jejunum and ileum). 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 anatomical left of the similarly named artery, the superior mesenteric artery, which originates from the abdominal aorta.
==Tributaries==
Tributaries of the superior mesenteric vein drain the small intestine, large intestine, stomach, pancreas and appendix and include:
* Right gastro-omental vein (also known as the right gastro-epiploic vein)
* inferior pancreaticoduodenal veins
* veins from jejunum
* veins from ileum
* middle colic vein - drains the transverse colon
* right colic vein - drains the ascending colon
* ileocolic vein
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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