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diastole    音标拼音: [dɑɪ'æstəl,i]
n. 心脏舒张,心脏舒张期,延长音节

心脏舒张,心脏舒张期,延长音节

diastole
n 1: the widening of the chambers of the heart between two
contractions when the chambers fill with blood

Diastole \Di*as"to*le\, n. [L., fr. Gr. ?, fr. ? to put asunder,
to separate; dia` through ? to set, to place.]
1. (Physiol.) The rhythmical expansion or dilatation of the
heart and arteries; -- correlative to {systole}, or
contraction.
[1913 Webster]

2. (Gram.) A figure by which a syllable naturally short is
made long.
[1913 Webster]


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  • Diastole - Wikipedia
    Atrial diastole is the relaxing of the atria, and ventricular diastole the relaxing of the ventricles The term originates from the Greek word διαστολή (diastolē), meaning "dilation", [1] from διά (diá, "apart") + στέλλειν (stéllein, "to send")
  • A look at diastolic blood pressure - Harvard Health
    Heart Health A look at diastolic blood pressure Aggressively lowering high systolic blood pressure (the top number) can reduce the risk of heart attack and stroke But how significant is the diastolic (bottom) number?
  • What Is Diastolic Pressure? Ranges and What It Means
    During relaxation (diastole), the heart’s chambers refill with blood and no new blood is being pushed out Diastolic pressure is the reading taken at this lowest point, just before the next contraction begins Even though the heart isn’t actively pumping during diastole, your blood pressure doesn’t drop to zero
  • Diastole vs. Systole: Guide to Blood Pressure - Healthline
    Diastole is when the heart relaxes and refills with blood The pressures on your arterial walls during these periods are your systolic and diastolic blood pressures
  • 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 | Ventricular Filling, Cardiac Cycle Blood Pressure | Britannica
    diastole, in the cardiac cycle, period of relaxation of the heart muscle, accompanied by the filling of the chambers with blood Diastole is followed in the cardiac cycle by a period of contraction, or systole (q v ), of the heart muscle
  • 19. 3 Cardiac Cycle – Anatomy Physiology 2e
    The period of relaxation that occurs as the chambers fill with blood is called diastole Both the atria and ventricles undergo systole and diastole, and it is essential that these components be carefully regulated and coordinated to ensure blood is pumped efficiently to the body
  • 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 This article will discuss the physiology of the cardiac cycle
  • Systole vs. Diastole: Understanding the Hearts Pumping and Filling . . .
    Diastole, from the Greek word for “dilation,” is the essential relaxation and filling phase of the heart During this period, the ventricular muscles relax, causing the pressure within the chambers to drop
  • Cardiac Cycle - CV Physiology
    There are two basic phases of the cardiac cycle: diastole (relaxation and filling) and systole (contraction and ejection) Diastole represents the period when the ventricles are relaxed (not contracting)





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