DICT.TW Dictionary Taiwan

 Per·i·stal·tic a.  Physiol. Pertaining to a wormlike wave motion of the intestines, and by analogy, of other flexible tubular structures.  In the body it is produced by a progressive contraction of the muscular fibers of their walls, forcing their contents onwards in the direction of the wave; as, peristaltic movement. -- Per*i*stal*tic*al*ly adv.
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