7医学英语The Valves of the Heart

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The flow of blood through the heart is controlled by four�valves: thetricuspid,�pulmonary semilunar,�mitral, and�aortic semilunar valves.

The�tricuspid valve�controls the opening between the right atrium and the right ventricle.

The�pulmonary semilunar valve�is located between the right ventricle and the pulmonary artery.

The�mitral valve, also known as the�bicuspid valve, is located between the�left atrium�and�left�ventricle.

The�aortic semilunar valve�is located between the�left ventricle�and the�aorta.

词汇：valves�瓣膜（复数）� � � �valve瓣膜（单数）

� � � � � tricuspid valve 三尖瓣� � � � � � ���tri-��三，三倍

� � � � � pulmonary semilunar valve 肺动脉瓣

� � � � ��mitral valve 二尖瓣� � � � � � � � � ���-al�与...有关的

� � � � ��bicuspid valve 二尖瓣� � � � � � ���bi- 表示二，双边的

� � � � ��aortic semilunar valve 主动脉瓣� ��-ic� 与...有关的� semi- 半� �

� � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � -lunar 月亮的

� � � � ��left atrium 左心房� � � � � -um 表示组织或结构

� � � � � left ventricle 左心室

� � � � � aorta 主动脉

参考译文：

流经心脏的血液由四个瓣膜控制：三尖瓣、肺动脉瓣、二尖瓣和主动脉半月瓣。

三尖瓣控制右心房和右心室之间的开口。

肺半月瓣位于右心室和肺动脉之间。

二尖瓣，又称bicuspid valve，位于左心房和左心室之间。

主动脉半月瓣位于左心室和主动脉之间。