diastole

(noun)

relaxation and dilation of the heart chambers, between contractions, during which they fill with blood

Related Terms

Examples of diastole in the following topics:

  • Blood Pressure

    • The systolic pressure is defined as the peak pressure in the arteries during the cardiac cycle; the diastolic pressure is the lowest pressure at the resting phase of the cardiac cycle.
    • During diastole, the walls return to normal because of their elastic properties.
    • The blood pressure of the systole phase and the diastole phase gives the two readings for blood pressure .
    • For example, the typical value for a resting, healthy adult is 120/80, which indicates a reading of 120 mm Hg during the systole and 80 mm Hg during diastole.

  • The Cardiac Cycle

    • This is followed by a relaxation phase (diastole), where the heart fills with blood .
    • (a) During cardiac diastole, the heart muscle is relaxed and blood flows into the heart.
    • (c) During atrial diastole, the ventricles contract, forcing blood out of the heart.

  • Contractile Vacuoles in Microorganisms

    • The stage in which water flows into the CV is called diastole.