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Webster 1913 Edition

Adj.

[L.

systalticus

drawing together, Gr. [GREEK], from [GREEK] to draw together. Cf.

(Physiol.)

Capable of, or taking place by, alternate contraction and dilatation;

as, the

systaltic

action of the heart

systaltic ‎(not comparable)

(biology) Capable of, or taking place by, alternate contraction and dilatation.
the systaltic action of the heart