Segmentation contractions

Overview

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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 caudad direction, segmentation contractions move chyme in both directions, which allows greater mixing with the secretions of the intestine.

External links

• Essentials of Human Physiology by Thomas M. Nosek. Section 6/6ch3/s6ch3_8.
• Animation at colostate.edu
• Template:Dorlands