mass movement

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.

单词	mass movement
释义	mass movement mass movement [′mas ′müv·mənt] (geology) Movement of a portion of the land surface as a unit. mass movement 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.
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