Skip to Content

retroperitoneal veins


Definition: portacaval anastomoses formed from veins in the walls of retroperitoneal viscera, such as the ascending and descending colon, passing to the tributaries of the inferior vena cava in the posterior body wall instead of those of the portal vein.

Synonym(s): Retzius veins, Ruysch veins, venae retroperitoneales

Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.

© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review date: Sep 19, 2016.