mass movement

(redirected from Mass wasting)
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mass per·i·stal·sis

forcible peristaltic movements of short duration, occurring only three or four times a day, which move the contents of the large intestine from one division to the next, as from the ascending to the transverse colon.
Synonym(s): mass movement

mass movement

The shift of an appreciable proportion of the colonic faecal contents into the rectum in a single process occasioned by contraction of a long segment of colon. Mass movement is quickly followed by the desire to defaecate.