rectal venous plexus


rec·tal ve·nous plex·us

[TA] a venous plexus resting on the posterior and lateral walls of the rectum; it drains into the superior rectal vein to the portal, the middle rectal to the internal iliac, and the inferior rectal to the internal pudendal. Synonym(s): plexus venosus rectalis [TA], hemorrhoidal plexus