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semilunar valve

/ˌsɛmiˈluːnər vælv/

翻译: 心脏中由半月形瓣叶组成的瓣膜,包括主动脉瓣和肺动脉瓣,位于心室与动脉之间,防止血液在舒张期从主动脉和肺动脉倒流回心室。

1 个条目

phrase

/ˌsɛmiˈluːnər vælv/C1formalmedical
  • zh心脏中由半月形瓣叶组成的瓣膜,包括主动脉瓣和肺动脉瓣,位于心室与动脉之间,防止血液在舒张期从主动脉和肺动脉倒流回心室。

A heart valve consisting of crescent-shaped flaps that prevent backflow of blood from the aorta and pulmonary artery into the ventricles during diastole.

  1. Heart valve structureC1formal

    Either of two valves in the heart located at the base of the aorta and the pulmonary artery, which prevent blood from flowing back into the ventricles after contraction.

    zh半月瓣

    • The semilunar valves open when the ventricles contract to pump blood out.
    • Damage to the semilunar valve can cause heart murmurs.
    • The aortic semilunar valve prevents backflow into the left ventricle.