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noun (physiol) (pl) -ses (-siːz)
a downward wave of contraction occurring in the intestine during digestion See also peristalsis
Derived Forms
diastaltic, adjective
Word Origin
C20: New Latin, from dia- + (peri)stalsis
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
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diastalsis in Medicine

diastalsis di·a·stal·sis (dī'ə-stôl'sĭs, -stāl'-)
Peristalsis in which a region of inhibition precedes the wave of contraction, as in the intestinal tract.

di'a·stal'tic (-stôl'tĭk, -stāl'-) adj.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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