It is indeed caused by a muscular contraction. Peristalsis is where the food, waste or some other semi-liquid matter is pushed along a muscular tube, with the muscle contracting behind it. Examples include the gullet (oesophagus) and the small intestine.
Yes, it squeezes lumen through the organs internal pathway.(Marieb/Hoehn 8e)
smooth muscle
Smooth muscle in the walls of the digestive tract contract and form a movement called peristalsis.
It is called peristalsis
Smooth Muscle
smooth muscle
Muscles are made up of "excitable cells" which can contract. Visceral muscle is smooth muscle--one of three types of muscles in the body. Visceral muscle is found in the body in places like the arteries, bladder, the digestive tract and many other muscles which need to contract in order to perform their job.
single unit smooth muscle
smooth muscle
Peristalsis is the contraction of the digestive muscles. Peristalsis is the contractions that occur in the smooth muscles of the body.
The involuntary muscle action of the alimentary canal is called peristalsis. It uses this muscle action to move food through.
single unit smooth muscle
1) skeletal muscle is voluntary 1) visceral muscle is involuntary 2) it is striated . 2) it is non striated 3) highly organized muscle. 3) less organized muscle