peristaltic

Per`i*stal"tic, a. Etym: [Gr. péristaltique.] (Physiol.) Defn: Applied to the peculiar wormlike wave motion of the intestines and other similar structures, produced by the successive contraction of the muscular fibers of their walls, forcing their contents onwards; as, peristaltic movement. -- Per`i*stal"tic*al*ly, adv.

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