systole

Definitions of systole
  1. noun
    the contraction of the chambers of the heart (especially the ventricles) to drive blood into the aorta and pulmonary artery
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    types:
    extrasystole
    a premature systole resulting in a momentary cardiac arrhythmia
    type of:
    beat, heartbeat, pulsation, pulse
    the rhythmic contraction and expansion of the arteries with each beat of the heart
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