abnormal peristalsis

Where Does Peristalsis Mainly Occur?

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Where Does Peristalsis Mainly Occur? Peristalsis is primarily found throughout the gastrointestinal tract and is the involuntary propulsion of food. This movement begins in the pharynx, once a food bolus is formed, and ends in the anus. Along with segmentation or mixing of food, peristalsis is an essential part of providing the body with nutrients.

What Are The Causes Of Reverse Peristalsis?

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What Are The Causes Of Reverse Peristalsis? Retroperistalsis is the reverse of the involuntary smooth muscle contractions of peristalsis. It usually occurs as a precursor to vomiting. Local irritation of the stomach, such as bacteria or food poisoning, activates the emetic center of the brain which in turn signals an imminent vomiting reflex. What causes