anal valve; valvulae anales
Anatomical term referring to the small folds or valves in the anal canal. Used in medical and biological contexts.
The anal valves are structures located at the boundary between the rectum and the anus.
Compound of 肛門 (kōmon, 'anus') + 弁 (ben, 'valve'). The exact historical derivation is uncertain; the spelling is conventionally associated with the anatomical meaning.