anastalsis


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Noun1.anastalsis - muscular action of the alimentary tract in a direction opposite to peristalsisanastalsis - muscular action of the alimentary tract in a direction opposite to peristalsis
bodily function, bodily process, body process, activity - an organic process that takes place in the body; "respiratory activity"
peristalsis, vermiculation - the process of wavelike muscle contractions of the alimentary tract that moves food along