retroperitoneal/Retzius/Ruysch veins

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Introduction

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

More general terms

References

  1. Stedman's Medical Dictionary 27th ed, Williams & Wilkins, Baltimore, 1999