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Peristalsis (/ ˌ p ɛr ɪ ˈ s t æ l s ɪ s / PERR-ih-STAL-siss, US also /-ˈ s t ɔː l-/- STAWL-) [1] is a type of intestinal motility, characterized by radially symmetrical contraction and relaxation of muscles that propagate in a wave down a tube, in an anterograde direction. Peristalsis is progression of coordinated contraction of ...
A slow-wave potential is a rhythmic electrophysiological event in the gastrointestinal tract. The normal conduction of slow waves is one of the key regulators of gastrointestinal motility. [ 1 ] Slow waves are generated and propagated by a class of pacemaker cells called the interstitial cells of Cajal , which also act as intermediates between ...
These slow wave potentials must reach a threshold level for the action potential to occur, whereupon Ca 2+ channels on the smooth muscle open and an action potential occurs. As the contraction is graded based upon how much Ca 2+ enters the cell, the longer the duration of slow wave, the more action potentials occur.
During a woman's period, there are "lots of changes in hormones" and even changes in the gut motility, meaning how quickly food moves through the gut, Farhadi explains. "That can all change the ...
Motility is the ability of an organism to move independently using metabolic energy. This biological concept encompasses movement at various levels, from whole organisms to cells and subcellular components.
YouTube speeds on desktop computers in Russia may drop by around 40% this week and up to 70% the following week, a senior Russian lawmaker, close to the authorities, said on Thursday, part of a ...
The gastrointestinal tract (GI tract, digestive tract, alimentary canal) is the tract or passageway of the digestive system that leads from the mouth to the anus.The GI tract contains all the major organs of the digestive system, in humans and other animals, including the esophagus, stomach, and intestines.
Short bowel syndrome (SBS, or simply short gut) is a rare malabsorption disorder caused by a lack of functional small intestine. [3] The primary symptom is diarrhea, which can result in dehydration, malnutrition, and weight loss. [1] Other symptoms may include bloating, heartburn, feeling tired, lactose intolerance, and foul-smelling stool. [1]