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semilunar valve

/ˌsɛmiˈluːnər vælv/

Traduction: Valvule cardiaque composée de trois valvules en forme de croissant, empêchant le reflux du sang de l'aorte et de l'artère pulmonaire vers les ventricules pendant la diastole.

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/ˌsɛmiˈluːnər vælv/C1formalmedical
  • frValvule cardiaque composée de trois valvules en forme de croissant, empêchant le reflux du sang de l'aorte et de l'artère pulmonaire vers les ventricules pendant la diastole.

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.

    frvalve semi-lunaire

    • 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.