Segmentation contractions
- Segmentation contractions
Segmentation contractions (or movements) are a type of gastric motility.
Unlike peristalsis, which predominates in the esophagus, segmentation contractions predominate in the small intestine. While peristalsis involves one-way motion in the caudal direction, segmentation contractions move chyme in both directions, which allows greater mixing with the secretions of the intestine.
External links
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* [http://www.vivo.colostate.edu/hbooks/pathphys/digestion/basics/gi_motility.html Animation at colostate.edu]
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