right atrioventricular valveraitˌeitriəuvenˈtrikjuləvælv 基本英英近义反义 右房室瓣 Noun: valve with three cusps; situated between the right atrium and the right ventricle; allows blood to pass from atrium to ventricle and closes to prevent backflow when the ventricle contracts近义词tricuspid valve三尖瓣