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相关概念视频

Imaging Studies III: Gastrointestinal Motility Studies and Virtual Colonoscopy01:26

Imaging Studies III: Gastrointestinal Motility Studies and Virtual Colonoscopy

149
This lesson explores three gastrointestinal imaging techniques: radionuclide testing, colonic transit studies, and virtual colonoscopy.
Radionuclide Testing
Radionuclide testing is a sophisticated medical technique for assessing gastrointestinal motility. It focuses on gastric emptying and colonic transit time. Radioactive markers track the movement of food through the digestive system, providing insights into gastrointestinal disorders.
In gastric emptying studies, a meal's liquid and...
149
Gastric Motility01:16

Gastric Motility

1.2K
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...
1.2K
Gastrointestinal Motility Disorders01:20

Gastrointestinal Motility Disorders

609
Gastrointestinal or GI motility disorders are characterized by irregular gastrointestinal tract movements, disrupting food transit from the mouth to the anus. They are caused by damage or dysfunction in gut muscles or nerves. These disorders can cause symptoms such as severe constipation, diarrhea, abdominal pain, and swallowing difficulties. Disorders can affect any segment of the GI tract and range widely in severity, from common conditions like GERD to life-threatening conditions like...
609

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相关实验视频

Updated: Sep 16, 2025

Gastrointestinal Motility Monitor GIMM
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Gastrointestinal Motility Monitor GIMM

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使用气球插入的胃肠道运动记录.

Tong Li1, Xiaoxi Wang2

  • 1Institute of Acupuncture and Moxibustion, China Academy of Chinese Medical Sciences.

Journal of visualized experiments : JoVE
|July 7, 2025
PubMed
概括
此摘要是机器生成的。

研究人员开发了一种新的系统来测量体内胃肠道运动率. 该设备有助于了解迁移运动复合体 (MMC) 和诊断胃肠道疾病.

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Fabrication and Implantation of Miniature Dual-element Strain Gages for Measuring In Vivo Gastrointestinal Contractions in Rodents.
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Fabrication and Implantation of Miniature Dual-element Strain Gages for Measuring In Vivo Gastrointestinal Contractions in Rodents.

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Video Imaging and Spatiotemporal Maps to Analyze Gastrointestinal Motility in Mice
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相关实验视频

Last Updated: Sep 16, 2025

Gastrointestinal Motility Monitor GIMM
08:15

Gastrointestinal Motility Monitor GIMM

Published on: December 1, 2010

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Fabrication and Implantation of Miniature Dual-element Strain Gages for Measuring In Vivo Gastrointestinal Contractions in Rodents.
09:29

Fabrication and Implantation of Miniature Dual-element Strain Gages for Measuring In Vivo Gastrointestinal Contractions in Rodents.

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Video Imaging and Spatiotemporal Maps to Analyze Gastrointestinal Motility in Mice
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Video Imaging and Spatiotemporal Maps to Analyze Gastrointestinal Motility in Mice

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科学领域:

  • 身体生理学 身体生理学
  • 胃肠病学 胃肠病学
  • 医疗器械 医疗器械

背景情况:

  • 胃肠机动性对于消化系统的功能至关重要.
  • 迁移运动综合体 (MMC) 是一个关键的禁食状态胃肠道运动.
  • MMC中的异常与各种胃肠道疾病有关.

研究的目的:

  • 开发和验证一种用于测量胃肠道活性的新系统.
  • 为研究迁移运动复合体 (MMC) 提供一种工具.
  • 帮助诊断胃肠道运动障碍.

主要方法:

  • 使用避孕套和聚乙烯 (PE) 管构建了一个系统.
  • 一端放置在小鼠的胃肠道中,另一端连接到压力传感器.
  • 胃肠道运动在收缩期间通过气球膨胀来可视化.

主要成果:

  • 该系统成功地在小鼠体内成功记录了肠胃运动功能.
  • 有代表性的结果证明了该系统的有效性.
  • 该设备允许可视化胃肠道运动.

结论:

  • 开发了一种实用且有效的系统来记录体内胃肠道运动功能.
  • 这个系统为研究胃肠道疾病提供了一种新的方法.
  • 可以促进对胃肠道运动性和相关疾病的进一步研究.