<physiology> Reverse peristalsis, a wave of contraction in the gastrointestinal tract which moves contents toward the oral end. ... (13 Jan 1998) ... 
(an″te-) (an″ti-per″ĭ-stawl´sis) upward waves of contraction sometimes occurring normally in the lower ileum, competing with the normal downward peristalsis and retarding passage of intestinal contents into the cecum. adj., antiperistal´tic., adj.
Type: Term Pronunciation: an′tē-per′i-stal′sis Synonyms: reversed peristalsis
reversed peristaltic action of the intestines, by which their contents are carried upward.