Definitions for: Systole

[n] the contraction of the chambers of the heart (especially the ventricles) to drive blood into the aorta and pulmonary artery

Webster (1913) Definition: Sys"to*le, n. (Physiol. & Biol.)
The contraction of the heart and arteries by which the blood
is forced onward and the circulation kept up; also, the
contraction of a rhythmically pulsating contractile vacuole;
-- correlative to diastole. -- Sys*tol"ic, a.

Sys"to*le, n. [NL., fr. Gr. ?, fr. ? to contract; sy`n
with + ? to set, place.]
1. (Gram.) The shortening of the long syllable.

2. (Physiol.) The contraction of the heart and arteries by
which the blood is forced onward and the circulation kept
up; -- correlative to diastole.

See Also: beat, heartbeat, pulsation, pulse

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