WordNet
rectal vein
n. any of several veins draining the walls of the anal canal and rectum [syn: hemorrhoidal vein, vena rectalis]
Wikipedia
Rectal vein
Rectal vein can refer to:
- Superior rectal vein (superior hemorrhoidal vein)
- Middle rectal veins (middle hemorrhoidal vein)
- Inferior rectal veins (inferior hemorrhoidal veins)