Internal rectal venous plexus lies at ?
Correct Answer: Proximal to pectinate line
Description: Internal rectal venous plexus (Hemorrhoidal plexus) lies above the pectinate line.It lies in the submucosa of anal canal and drains mainly into superior rectal vein, but communicates freely with external rectal venous plexus.The internal plexus is in the form of a series of dilated pouches and veins present in the 3, 7 and 11 O'clock positions are large and constitute potential sites from primary internal piles (hemorrhoids).
Category:
Anatomy
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