Portal vein

Portal vein (vena portae) - large (up to 2 cm in diameter) venous vessel, formed by the merger of the splenic, top and inferior mesenteric vein and collect blood from the stomach, intestines, pancreas and spleen. Located at back wall of the abdomen, portal vein in conjunction peritoneum is included in the liver through its gates, where it splits into equity and segmental branches (see Diagram human vessels Fig. 1 (14). After repeated division of the branches are formed in the liver venous capillaries through which the blood flows into the centre of Vienna, and then in two or three hepatic vein, which flow into the inferior Vena cava. Thus, venous blood from unpaired of abdominal cavity organs (except for the organs of the pelvis) is sent to the General circulation through the liver.
Pathology. Disorder portal circulation is usually expressed portal hypertension (see). Thrombosis of the system of portal vein (flebotromboz) more often secondary (cirrhosis of the liver, injury, the stones of the bile ducts). As a result of thrombosis may develop severe liver failure - see Hepatalgia, Inflammation of the portal vein - see Pereplavit.