血けっ管かん弁べん膜まくけっかんべんまくMeanings1nounvalve of the veins; venous valveanatomy›Anatomical term for the valves inside veins that prevent backflow of blood.血けっ管かん弁べん膜まくは血けつ液えきの逆ぎゃく流りゅうを