Superior mesenteric vein
Superior mesenteric vein is part of the venous drainage system of the upper gastrointestinal tract draining the jejunum and ileum.
Anatomy[edit | edit source]
The superior mesenteric vein lies behind(posterior) the neck of the pancreas and in front of (anterior) uncinate process of pancreas.
Course[edit | edit source]
The superior mesenteric vein combines with the splenic vein to form the hepatic portal vein.
Variations[edit | edit source]
Anatomical variations of the superior mesenteric vein include:
- Absence of common draining trunk, leading to direct drainage in to the splenic vein
- Variations in the portal vein are also possible
Pathology[edit | edit source]
Common problems with mesenteric vein include mesenteric vein thrombosis, a blood clot, that leads to mesenteric ischemia and can be fatal.
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Credits:Most images are courtesy of Wikimedia commons, and templates Wikipedia, licensed under CC BY SA or similar.Contributors: Prab R. Tumpati, MD