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diastole

   Also found in: Medical, Encyclopedia, Wikipedia, Hutchinson 0.07 sec.
di·as·to·le  (d-st-l)
n.
1. Physiology The normal rhythmically occurring relaxation and dilatation of the heart chambers, especially the ventricles, during which they fill with blood.
2. The lengthening of a normally short syllable in Greek and Latin verse.
[Greek diastol, dilation, separation, from diastellein, to expand : dia-, apart; see dia- + stellein, to place, send; see stel- in Indo-European roots.]
dias·tolic (d-stlk) adj.
diastole [die-ass-stoh-lee]
Noun
dilation of the chambers of the heart
diastolic adj
diastole  (d-st-l)
The period during the normal beating of the heart in which the chambers of the heart dilate and fill with blood. Diastole of the atria occurs before diastole of the ventricles. Compare systole.
diastolic adjective (d-stlk)
diastole
(in Greek and Latin verse) the lengthening of a short syllable. Cf. systole. — diastolic, adj.
See also: Verse
the rhythmic dilatation of the heart during which the muscle relaxes and the chambers fill with blood. Cf. systole. — diastolic, adj.
See also: Heart
ThesaurusLegend:  Synonyms Related Words Antonyms
Noun1.diastolediastole - the widening of the chambers of the heart between two contractions when the chambers fill with blood
heartbeat, beat, pulse, pulsation - the rhythmic contraction and expansion of the arteries with each beat of the heart; "he could feel the beat of her heart"


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? Mentioned in ? References in classic literature
 
Lydgate talked persistently when they were in his work-room, putting arguments for and against the probability of certain biological views; but he had none of those definite things to say or to show which give the waymarks of a patient uninterrupted pursuit, such as he used himself to insist on, saying that "there must be a systole and diastole in all inquiry," and that "a man's mind must be continually expanding and shrinking between the whole human horizon and the horizon of an object-glass.
Middlemarch by Eliot, George View in context
For three hundred years and more the long steadily accelerated diastole of Europeanised civilisation had been in progress: towns had been multiplying, populations increasing, values rising, new countries developing; thought, literature, knowledge unfolding and spreading.
The War in the Air by Wells, H.G. View in context
POLARITY, or action and reaction, we meet in every part of nature; in darkness and light; in heat and cold; in the ebb and flow of waters; in male and female; in the inspiration and expiration of plants and animals; in the equation of quantity and quality in the fluids of the animal body; in the systole and diastole of the heart; in the undulations of fluids, and of sound; in the centrifugal and centripetal gravity; in electricity, galvanism, and chemical affinity.
Essays, First Series by Emerson, Ralph Waldo View in context
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