rectal venous plexus

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rec·tal ve·nous plex·us

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.
References in periodicals archive ?
Later, the word "hemorrhoids" also meant swelling, inflammation, bleeding and loss of internal rectal venous plexus nodes.