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Medical Definition of Haemorrhoidal plexus
1. A venous plexus resting upon 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: plexus venosus rectalis, haemorrhoidal plexus. (05 Mar 2000)
Lexicographical Neighbors of Haemorrhoidal Plexus
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