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diastole

di·as·to·le / dīˈastl-ē/ • n. Physiol. the phase of the heartbeat when the heart muscle relaxes and allows the chambers to fill with blood. Often contrasted with systole. DERIVATIVES: di·as·tol·ic / ˌdīəˈstälik/ adj.

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diastole

diastole (dy-ast-ŏ-li) n. the period between two contractions of the heart, when the muscle of the heart relaxes and allows the chambers to fill with blood. See also blood pressure, systole.
diastolic (dy-ă-stol-ik) adj.

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diastole

diastole The phase of a heart beat that occurs between two contractions of the heart, during which the heart muscles relax and the ventricles fill with blood. Compare systole. See blood pressure.

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diastole

diastole (physiol.) dilatation. XVI. — late L. — Gr. diastolḗ separation, expansion, f. diastéllein, f. DIA- + stéllein place.

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