Inferior rectal veins
（重定向自Inferior hemorrhoidal veins）
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The lower part of the external hemorrhoidal plexus is drained by the inferior rectal veins (or inferior hemorrhoidal veins) into the internal pudendal vein.
Pathologies involving the Inferior rectal veins are lower GI bleed. Depending on the degree of inflammation, they are given a grade level ranging from 1 through 4.