systole
Americannoun
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Physiology. the normal rhythmical contraction of the heart, during which the blood in the chambers is forced onward.
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Classical Prosody. the shortening of a syllable regularly long.
noun
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The period during the normal beating of the heart in which the chambers of the heart, especially the ventricles, contract to force blood into the aorta and pulmonary artery.
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Compare diastole
Other Word Forms
Derived Forms
Etymology
Origin of systole
1570–80; < Greek systolḗ a drawing up, contraction, equivalent to sy- sy- + stolḗ pressure, originally, garment, equipment, equivalent to stol- (noun derivative of stéllein to send, place) + -ē feminine noun suffix; cf. diastole, systaltic
Explanation
During a heartbeat, the heart contracts and pumps blood into the aorta, a phase known as systole. In Greek, systole means "a drawing together or contraction." The rhythmic, repeated contraction of the heart muscle during systole is what allows it to push blood throughout the body. It's also part of what gets measured when you have your blood pressure taken: systolic blood pressure measures the force of the blood as it's being pumped into your arteries.
Vocabulary lists containing systole
Vocabulary from Readings 4, Unit 1
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Vocabulary from Readings 4, Unit 1
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Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Diastole, dī-as′to-lē, n. dilation of the heart, auricles, and arteries—opp. to Systole, or contraction of the same: the protracting of a short syllable, as before a pause.—adj.
From Chambers's Twentieth Century Dictionary (part 1 of 4: A-D) by Various
Diastole and Systole are not mere arbitrary processes.
From New Latin Grammar by Bennett, Charles E. (Charles Edwin)
Could see the small stars tremble As the heart beneath did wield Systole, diastole.
From New Poems by Lawrence, D. H. (David Herbert)
Systole, diastole, swift and ever swifter goes the Axe of Samson.
From The French Revolution by Carlyle, Thomas
Systole: that regular contraction of the heart that sends the blood outward: see diastole.
From Explanation of Terms Used in Entomology by Smith, John. B.
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
