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The gastrocolic reflex or gastrocolic response is a physiological reflex that controls the motility, or peristalsis, of the gastrointestinal tract following a meal. It involves an increase in motility of the colon consisting primarily of giant migrating contractions, in response to stretch in the stomach following ingestion and byproducts of digestion entering the small intestine. [1]
Postprandial somnolence (colloquially known as food coma, after-dinner dip, or "the itis") is a normal state of drowsiness or lassitude following a meal. Postprandial somnolence has two components: a general state of low energy related to activation of the parasympathetic nervous system in response to mass in the gastrointestinal tract , and a ...
The sensation of hunger typically manifests after only a few hours without eating and is generally considered to be unpleasant. Satiety occurs between 5 and 20 minutes after eating. [1] There are several theories about how the feeling of hunger arises. [2] The desire to eat food, or appetite, is another sensation experienced with regard to ...
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In addition, as the food moves into the duodenum, duodenal cells release multiple substances that affect digestion and satiety. Glucagon-like peptide-1 (GLP-1) is an incretin released by the duodenum that inhibits relaxation of the stomach. This inhibition causes increased stretch of the stomach, increasing activation of proximal gastric ...
During a bout of the blues or just after a long, stressful day, many of us turn to the pantry, refrigerator or fast food for a tasty, pick-me-up meal that seems to help ease anxiety and soothe ...
Like rumination syndrome, patients with gastroparesis often bring up food following the ingestion of a meal. Unlike rumination, gastroparesis causes vomiting (in contrast to regurgitation) of food, which is not being digested further, from the stomach. This vomiting occurs several hours after a meal is ingested, preceded by nausea and retching ...
The food bolus causes a stretch of the gut smooth muscle that causes serotonin to be secreted to sensory neurons, which then get activated. These sensory neurons, in turn, activate neurons of the myenteric plexus , which then proceed to split into two cholinergic pathways: a retrograde and an anterograde.