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Definition of Catastalsis
1. Noun. (biology) The rhythmic contraction and relaxation of the muscle of the intestines. It resembles ordinary peristalsis but is not preceded by a zone of inhibition. ¹
¹ Source: wiktionary.com
Medical Definition of Catastalsis
1. 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)