rectal venous plexus
Definition: 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 rectalisTA, hemorrhoidal plexus
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Examples: glitazone, GI cocktail, etc.