valvulo-, valvul-

(Latin: a doorlike structure in a passageway that hinders or prevents the reflux or flowing back of its contents)

valvula (s), valvulae (pl)
1. A small valve, once used in official nomenclature as a general term to designate a valve; such as, in the heart.
2. A cusp of certain valves, as the aortic valve.
valvular regurgitation (s) (noun), valvular regurgitations (pl)
A reverse flow of blood through a valve; especially, a heart valve, that is not completely closed as it should normally be.
1. A small valve or valvelike structure.
2. A small valve or a part that functions or looks like one.
valvuloplasty (s) (noun), valvuloplasties (pl)