Powerful peristaltic contractions that occur a few times each day in the colon are called mass movements.
- The muscles that line your gastrointestinal track automatically contract and relax in a wave-like motion known as peristalsis.
- Peristalsis, which starts in the throat when you swallow and continues through the esophagus, stomach, and intestines as you digest, is the movement of food through your digestive system.
- During defecation, peristaltic waves that are referred to as mass movement propel feces obdurately in the direction of the rectum.
- The large intestine contracts slowly but forcefully during mass movements, which transport undigested waste to the rectum for defecation via the anus.
They resemble longer-lasting, stronger peristaltic contractions.
3–4 times every day.
primarily in the sigmoid, descending, and transverse colons, produced by smooth muscle contractions in the circular layer.
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