From the left atrium the blood passes through the bicuspid valve into the right ventricle.来自左心房的血液通过二尖瓣进入右心室.An aortic valve need not be bicuspid to calcify.主动脉瓣并非是两个瓣叶的才钙化.Most bicuspid valves are prone to calcification...

n.两尖齿adj.有两个尖头的...

bicuspid的音标：bicuspid的英式发音音标为：[bɪ'kəspəd]bicuspid的美式发音音标为：[bɪ'kəspəd]...