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systole    
n. 心脏收缩

心脏收缩

systole
n 1: the contraction of the chambers of the heart (especially
the ventricles) to drive blood into the aorta and pulmonary
artery

Systole \Sys"to*le\, n. [NL., fr. Gr. ?, fr. ? to contract; sy`n
with ? to set, place.]
1. (Gram.) The shortening of the long syllable.
[1913 Webster]

2. (Physiol. & Biol.) The contraction of the heart and
arteries by which the blood is forced onward and the
circulation kept up; also, the contraction of a
rhythmically pulsating contractile vacuole; -- correlative
to {diastole}. -- {Sys*tol"ic}, a.
[Webster 1913 Suppl.]


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  • Systole - Wikipedia
    Electrical waves track a systole (a contraction) of the heart The end-point of the P wave depolarization is the start-point of the atrial stage of systole
  • Diastole vs. systole: Differences and more - Medical News Today
    The heartbeat is caused by the heart muscles relaxing and contracting During this cycle, the period of relaxation is called diastole and the period of contraction is called systole
  • Diastole vs. Systole: Guide to Blood Pressure - Healthline
    Systole refers to the period when your heart contracts and pushes blood out to the rest of your body Diastole is when the heart relaxes and refills with blood
  • Systolic vs. Diastolic Blood Pressure - Verywell Health
    When the heart beats, blood pulses through the arteries to travel throughout the body However, it is not a steady stream like you might see from a garden hose The pulse of the blood flow and the pressure it exerts change from moment to moment
  • Cardiac cycle phases: Definition, systole and diastole | Kenhub
    Both the atria and the ventricles undergo alternating states of systole and diastole In other words, when the atria are in diastole, the ventricles are in systole and vice versa
  • Systole | Definition, Cycle, Facts | Britannica
    Systole, period of contraction of the ventricles of the heart that occurs between the first and second heart sounds of the cardiac cycle (the sequence of events in a single heart beat) Systole causes the ejection of blood into the aorta and pulmonary trunk
  • Systole vs. Diastole: Understanding the Hearts Pumping and . . .
    Explore the fundamental processes of systole and diastole, the two critical phases that define the heart's rhythmic action This article delves into how the heart efficiently pumps blood to the body during systole and replenishes its chambers during diastole, highlighting the importance of each phase for cardiovascular health Understand the coordinated muscle contractions and relaxations that





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