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In human anatomy, the superior mesenteric vein (SMV) is a blood vessel that drains blood from the small intestine (jejunum and ileum). Behind the neck of the pancreas , the superior mesenteric vein combines with the splenic vein to form the portal vein that carries blood to the liver .
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).
The portal vein is usually formed by the confluence of the superior mesenteric, splenic veins, inferior mesenteric, left, right gastric veins and the pancreatic vein. Conditions involving the portal vein cause considerable illness and death. An important example of such a condition is elevated blood pressure in the portal vein.
The relationship between mesenteric derangements and mucosal manifestations in CD points to a pathobiological overlap; some authors say that CD is mainly a mesenteric disorder that secondarily affects the GIT and systemic circulation. [12] Thrombosis of the superior mesenteric vein can cause mesenteric ischemia also known as ischemic bowel.
The superior mesenteric vein and the splenic vein come together to form the actual hepatic portal vein. The inferior mesenteric vein connects in the majority of people on the splenic vein, but in some people, it is known to connect on the portal vein or the superior mesenteric vein. Roughly, the portal venous system corresponds to areas ...
The superior mesenteric vessels are composed of the superior mesenteric artery and the superior mesenteric vein.. In human anatomy, the superior mesenteric artery arises from the anterior surface of the abdominal aorta, just inferior to the origin of the celiac trunk, and supplies the intestine from the lower part of the duodenum through two-thirds of the transverse colon, as well as the pancreas.
Mesenteric vein may refer to: Superior mesenteric vein; Inferior mesenteric vein This page was last edited on 1 February 2016, at 17:15 (UTC). Text is available ...
Portal vein; Superior mesenteric vein; Inferior mesenteric vein; The branches conveying the blood to the plexus are named the venae advehentes, and become the branches of the portal vein. The vessels draining the plexus into the sinus venosus are termed the venae revehentes, and form the future hepatic veins. [3]