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Peristalsis is the term for the rhythmic contractions of the esophagus. These wavelike contractions move food toward the stomach.
Peristalsis is a series of involuntary smooth muscle contractions along the walls of the digestive tract that move food through the digestive tractperistalsis
Different types of muscle contractions
Smooth muscles in the wall of an esophagus move food downward with a squeezing action. These waves of muscle contractions move food through the entire digestive tract. This process is called peristalsis.
The wavelike contractions of the smooth muscle in the gastrointestinal system are called peristalsis. The purpose of peristalsis is to push boluses of food along the gastrointestinal tract. This is achieved by the waves of contractions in the smooth muscle followed by relaxation of the muscles, pushing the bolus (ball of food) a bit further along the digestive tract with each contraction. These contractions move food or chyme through the esophagus, and intestines. The same contractions also move urine down the ureter to the bladder.
The muscular contractions move the food, mix it with digestive juices, and bring the digesting food in contact with the mucosa where absorption takes place.
there are muscular contractions in the oesophagus which help to move the food this rhythmic movement is known as PERISTALSIS
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PERISTALSIS
peristalsis
peristalsis