Coordinated contraction and relaxation of circular and longitudinal smooth muscle to propel food in both directions.

Contractile wave that sweeps through the GI tract during fasting to sweep out undigested material.

A type of movement that only occurs in the small intestine.

Contraction of circular muscle to mix chyme without propelling food along GIT.

Coordinated contraction and relaxation of circular and longitudinal smooth muscle to propel food in one direction.