| 单词 | semilunar valve |
| 释义 | semilunar valve半月瓣 semilunar valve semilunar valve n.（名词）Either of two valves, one located at the opening of the aorta and the other at the opening of the pulmonary artery, each consisting of three crescent-shaped cusps and serving to prevent blood from flowing back into the ventricles.半月瓣：两种瓣膜的任一种，一种在主动脉的开口处，另一种在肺动脉的开口处，每一种瓣都包括三个新月状的瓣尖，用来防止血液倒流回心室 |
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