Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun hemorrhoidal_vein

1 sense of hemorrhoidal vein

Sense 1
hemorrhoidal vein, rectal vein, vena rectalis -- (any of several veins draining the walls of the anal canal and rectum)
       => vein, vena, venous blood vessel -- (a blood vessel that carries blood from the capillaries toward the heart; "all veins except the pulmonary vein carry unaerated blood")