Segmentation is described as a wavelike muscle contraction in a hollow organ that moves food through the digestive system.

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Segmentation refers to the rhythmic contraction and relaxation of smooth muscle in the intestines that mixes food with digestive juices and increases its contact with the walls of the intestine, but it does not primarily move food through the digestive system. Peristalsis is the wavelike muscle contraction that moves food through the digestive system.

Segmentation Is Described as a Wavelike Muscle Contraction in a Hollow