Origin of peristalsis
New Latin, from Greek peristaltikos peristaltic
First Known Use: 1859
Medical Definition of peristalsis
plural peri·stal·ses \-ˌsēz\play
: successive waves of involuntary contraction passing along the walls of a hollow muscular structure (as the esophagus or intestine) and forcing the contents onward—compare segmentation 2
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