By moving food back and forth in the intestinal lumen, segmentation mixes food with digestive juices and facilitates absorption. Chemical digestion is aided by secretion of enzymes.

Segmentation involves contractions of the circular muscles in the digestive tract, while peristalsis involves rhythmic contractions of the longitudinal muscles in the gastrointestinal tract. Unlike …

Jul 23, 2025 · In the gastrointestinal (GI) tract, segmentation defines a specific type of movement of muscles that takes place in the digestive system. It is characterized by the regular …

Sep 24, 2025 · Two types of motor activity have been recognized: segmenting contractions and peristaltic contractions. The predominant motor action of the small intestine is the segmenting …

Segmentation is a process in the digestive system where the smooth muscles of the intestines contract rhythmically, mixing and churning the contents to enhance digestion and nutrient …

Segmentation, also known as mixing contractions, is another type of movement that occurs in the digestive system. Unlike peristalsis, which involves coordinated waves of contraction, …

These contractions isolate small sections of the intestine, moving their contents back and forth while continuously subdividing, breaking up, and mixing the contents. By moving food back …

The segmentation motor activity of the gut that facilitates absorption of nutrients, was first described in the late 19th century but the fundamental mechanisms underlying it remain poorly …

These are rings of contraction occurring at regular space of intervals in which a portion of the intestine is divided into segments. The contraction is followed by relaxation. The contraction …

Mar 21, 2023 · Segmentation is one of the essential contractions of the small intestine that help digest the meal. It has been found to dominate the intestinal contractions when fed with meal …