diastole Hear it!

diastole definition

di·as·tole (dī as′tə lē′)

noun

the usual rhythmic dilatation of the heart, esp. of the ventricles, following each contraction (systole), during which the heart muscle relaxes and the chambers fill with blood

Etymology: LL < Gr diastolē, expansion, dilatation < diastellein, to separate, dilate < dia-, apart + stellein, to put: see locus

Related Forms:

  • diastolic di′a·stol′ic (dī′ə stäl′ik) adjective

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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