1) Digestive system component 
Catastalsis is the rhythmic contraction and relaxation of the muscle of the intestines. It resembles ordinary peristalsis but is not preceded by a wave of inhibition. ...
A contraction wave resembling ordinary peristalsis but not preceded by a zone of inhibition. ... Origin: G. Kata-stello, to put in order, check ... (05 Mar 2000) ... 
Type: Term Pronunciation: kat′ă-stal′sis Definitions: 1. A contraction wave resembling ordinary peristalsis but not preceded by a zone of inhibition.