Portocaval Anastomoses - ANATOMY Tutorial

A portacaval anastomosis (also known as porto-systemic anastomosis or portal caval system) is a specific type of anastomosis that occurs between the veins of the portal circulation and those of the systemic circulation. The inferior end of the esophagus and the superior part of the rectum are potential sites of a harmful portacaval anastomosis.
In portal hypertension, as in the case of cirrhosis of the liver, the anastomoses become congested and form venous dilatations. Such dilatation can lead to esophageal varices and hemorrhoids. Caput medusae can also result.
#anatomy #porta #tutorial

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[@user-gh3mr6ey2o]

i didn't understand the last one. Which anastomosis is responsable for the comunication between cava and portal veins in the kidney?

[@tatevhovhannisyan4336]

thank you very much ,but I have one question so portocaval anastomosis its like joint name which includes three anastomosis -1)anastomosis between portal vein and umblical vein 2) portal vein and rectal vein 3) portal vein and esophagal vein?

[@carkid1003]

Yes...,.portocaval anastomosis is the connection between systematic veins and portal vein....which opens up when portal vein undergose obstruction or hypertension.....
Those are the several sites where it takes place anatomically

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Anorectal Varices, not hemmorhoids. but otherwise great!

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