Segmentation

Definition

In the context of the digestive system, segmentation is the process by which smooth muscles in the intestines contract rhythmically to mix and segment the contents, enhancing nutrient absorption. This action breaks down food particles and evenly distributes digestive juices.

Related terms

Peristalsis:

The coordinated, rhythmic contractions of smooth muscle that move food through the digestive tract.

Absorption:

The process by which nutrients from digested food are taken up into the bloodstream from the intestine.

Digestive enzymes:

Proteins secreted by the digestive system that break down food into nutrients that can be absorbed