diastalsis(redirected from diastaltic)
Also found in: Medical.
n, pl -ses (-siːz)
(Physiology) a downward wave of contraction occurring in the intestine during digestion. See also peristalsis
[C20: New Latin, from dia- + (peri)stalsis]
the contraction of the alimentary canal in a downward direction as part of peristalsis.See also: Bodily Functions