atrioventricular

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atrioventricular

atrioventricular
atrioventricular

atrioventricular
房室瓣(Atrioventricular valve),即三尖瓣(tricuspid valve)：其功能为导 引血流进来.

atrioventricular 英语翻译1.Closure of the valves of the heart produces mechanical vibrations which are audible at the chest wall as the heart sounds.The first heart sound is caused by the closure of the atrioventricular valves and so marks the beginning of ventri