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Related Concept Videos

Gastric Motility01:16

Gastric Motility

3.2K
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 Emptying01:16

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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 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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Non-ohmic Devices00:51

Non-ohmic Devices

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In most substances, the current flow is proportional to the voltage applied to it. A simple relationship between the values of current, voltage, and resistance is known as Ohm's law. Nonohmic devices do not exhibit a linear relationship between voltage and current. One such device is the semiconducting circuit element known as a diode. A diode is a circuit device that allows current flow in only one direction.
Consider a simple circuit consisting of a battery, a diode, and a resistor. A...
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Mnemonic Devices01:23

Mnemonic Devices

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Mnemonic devices are cognitive tools that facilitate memory retention by linking new information to familiar patterns or organizational strategies. These techniques are beneficial for remembering complex or lengthy sets of information by simplifying and structuring them in easily retrievable ways.
Acronyms
Acronyms are created by using the initial letters of a series of words to form a new word or phrase. This approach condenses complex information into a single, memorable entity. For example,...
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Experimental Determination of Chemical Formula02:37

Experimental Determination of Chemical Formula

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The elemental makeup of a compound defines its chemical identity, and chemical formulas are the most concise way of representing this elemental makeup. When a compound’s formula is unknown, measuring the mass of its constituent elements is often the first step in determining the formula experimentally.
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Related Experiment Video

Updated: Feb 4, 2026

The Intra-Aortic Balloon Pump
06:13

The Intra-Aortic Balloon Pump

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Experimental Gastric Non-Balloon Devices.

Youn I Choi1, Kyoung Oh Kim1

  • 1Division of Gastroenterology, Department of Internal Medicine, Gachon University, Gil Medical Center, Incheon, Korea.

Clinical Endoscopy
|September 29, 2018
PubMed
Summary

Endoscopic bariatric therapies (EBTs) offer new ways to manage obesity by affecting the stomach. This study reviews non-balloon gastric EBTs, focusing on clinical issues and future directions for these obesity treatments.

Keywords:
DeviceEndoscopic bariatric therapyObesityStomachTherapeutic endoscopy

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Related Experiment Videos

Last Updated: Feb 4, 2026

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Area of Science:

  • Gastroenterology and Metabolic Medicine
  • Minimally Invasive Procedures

Background:

  • Obesity is a global health crisis requiring innovative treatment strategies.
  • Conventional bariatric surgeries are effective but invasive.
  • Endoscopic bariatric therapies (EBTs) are emerging as less invasive alternatives.

Purpose of the Study:

  • To review clinical issues and future perspectives of gastric non-balloon endoscopic bariatric therapies.
  • To highlight the potential of EBTs in managing obesity and related metabolic conditions.

Main Methods:

  • Focus on non-balloon gastric endoscopic bariatric therapies.
  • Review of current clinical challenges and future research directions.

Main Results:

  • EBTs target gastrointestinal anatomy and physiology to induce satiety.
  • Various EBTs are in different stages of development.
  • Non-balloon gastric methods are a key area of focus within EBTs.

Conclusions:

  • Gastric non-balloon EBTs represent a significant advancement in obesity treatment.
  • Further research and clinical evaluation are needed to optimize these therapies.