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Medical Term:


Pronunciation: per'i-stal'sis

Definition: The movement of the intestine or other tubular structure, characterized by waves of alternate circular contraction and relaxation of the tube by which the contents are propelled onward.

Synonym(s): vermicular movement

[peri- + G. stalsis, constriction]

© Copyright 2017 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.