Noun:
-
a semilunar valve between the left ventricle and the aorta; prevents blood from flowing from the aorta back into the heart
- Here is a congenital bicuspid aortic valve.
这是一个先天性的两瓣叶主动脉瓣。
- The most common causes are aortic or pulmonic valve regurgitation.
最常见的原因是主动脉瓣或肺动脉瓣反流。