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Related Concept Videos

Gastric Emptying01:16

Gastric Emptying

3.7K
Gastric emptying occurs when the stomach gradually releases chyme into the duodenum. When the stomach is distended, it triggers the release of gastrin, a hormone that promotes gastric acid secretion to aid in digestion. Additionally, stomach distension contributes to peristaltic waves that propel gastric contents toward the pyloric region. The gastroenteric reflex, on the other hand, primarily stimulates peristalsis in the intestines, facilitating the movement of contents further along the...
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Gastric Motility01:16

Gastric Motility

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Gastric motility is the coordinated contraction and relaxation of stomach muscles that convert ingested food into chyme, a semi-liquid substance ready for further digestion in the intestines. The process begins with the vagus nerve inducing the relaxation of the smooth muscles in the fundus and body of the stomach, allowing these regions to expand and accommodate up to approximately 1.5 liters of food and liquid.
Peristaltic Waves and Chyme Formation
Upon food entry, the stomach initiates...
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Gastric Phase of Digestion01:26

Gastric Phase of Digestion

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The gastric phase of digestion begins as soon as food enters the stomach. The incoming food bolus triggers neural and hormonal mechanisms, which last approximately 3 to 4 hours. During this phase, the stomach undergoes significant changes to prepare the food for further digestion and absorption.
When food enters the stomach, it stretches the stomach walls and activates stretch receptors. This triggers local reflexes of the enteric nervous system, mediated through the myenteric plexus. These...
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Neural Regulation01:37

Neural Regulation

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Digestion begins with a cephalic phase that prepares the digestive system to receive food. When our brain processes visual or olfactory information about food, it triggers impulses in the cranial nerves innervating the salivary glands and stomach to prepare for food.
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Hormonal Regulation01:40

Hormonal Regulation

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Hormones regulate a significant portion of digestion through activation of the neuroendocrine system. The neuroendocrine system of digestion contains many different hormones all with multiple functions that are both, directly and indirectly, involved in digestion.
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Kidney Structure01:45

Kidney Structure

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The kidneys are two large bean-shaped organs located in the upper abdomen. They filter the blood several times a day to remove toxins and rebalance water and electrolytes of the circulatory system via the renal veins. The kidneys receive blood directly from the heart via the renal arteries. These arteries enter the kidney at the hilum, the concave surface of the bean, where they branch and divide into smaller vessels and capillaries.
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Inter-individual variation in gastric emptying is related to GLP-1 response to intraduodenal glucose exposure in health.

The Journal of clinical endocrinology and metabolism·2026
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Related Experiment Video

Updated: Feb 3, 2026

Assessment of Gastric Emptying in Non-obese Diabetic Mice Using a [13C]-octanoic Acid Breath Test
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Assessment of Gastric Emptying in Non-obese Diabetic Mice Using a [13C]-octanoic Acid Breath Test

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Hypoglycaemia and gastric emptying.

Chinmay S Marathe1,2,3, Jessica A Marathe4, Christopher K Rayner1,2,5

  • 1Adelaide Medical School, Faculty of Health and Medical Sciences, University of Adelaide, Adelaide, South Australia, Australia.

Diabetes, Obesity & Metabolism
|November 1, 2018
PubMed
Summary

Hypoglycaemia, a key complication of insulin therapy, is linked to gastric emptying. Accelerated gastric emptying aids counter-regulation, while delayed emptying may predispose to low blood sugar in diabetes.

Keywords:
GLP-1 analoguehypoglycaemiainsulin therapy

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Area of Science:

  • Endocrinology
  • Gastroenterology
  • Metabolic Disorders

Background:

  • Hypoglycaemia is a critical complication of insulin therapy for diabetes.
  • Impaired awareness of hypoglycaemia can result from frequent low blood sugar events.
  • Gastric emptying significantly impacts glycemic control in both healthy individuals and those with diabetes.

Purpose of the Study:

  • To review the relationship between gastric emptying and hypoglycaemia.
  • To explore the clinical implications of this interaction in insulin-treated patients.

Main Methods:

  • Literature review of studies on gastric emptying and hypoglycaemia.
  • Analysis of the role of gastric emptying in glucose homeostasis and counter-regulation.

Main Results:

  • Delayed gastric emptying in diabetes may increase the risk of postprandial hypoglycaemia.
  • Acute hypoglycaemia accelerates gastric emptying, acting as a counter-regulatory mechanism.
  • Gastric emptying rate influences insulin dosing timing in relation to meals.

Conclusions:

  • Gastric emptying is a crucial, yet underappreciated, factor in hypoglycaemia management.
  • Understanding this interplay can lead to improved therapeutic strategies for diabetes.
  • Further research is warranted to fully elucidate the clinical significance.