Medical Definition of Vena rectalis superior
1.
It drains the greater part of the rectal venous plexus, and ascends between the layers of the mesorectum to the brim of the pelvis, where it becomes the inferior mesenteric vein. As a tributary of the portal vein, it forms a portocaval anastomosis with the middle and inferior rectal veins (caval tributaries) via the rectal venous plexus.
Synonym: vena rectalis superior.
(05 Mar 2000)
Lexicographical Neighbors of Vena Rectalis Superior
Other Resources:
