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Peristaltic

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peristaltic

(Science: physiology) Applied to the peculiar wormlike wave motion of the intestines and other similar structures, produced by the successive contraction of the muscular fibres of their walls, forcing their contents onwards; as, peristaltic movement. Peristaltically.

Origin: Gr. Clasping and compressing, fr. To surround, wrap up; round _ to place, arrange: cf. F. Peristaltique.