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Related Concept Videos

Inflammatory Bowel Disease II: Ulcerative Colitis01:20

Inflammatory Bowel Disease II: Ulcerative Colitis

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Ulcerative colitis is a chronic inflammatory disorder of the colon characterized by continuous mucosal inflammation that typically begins in the rectum and extends proximally in a uniform pattern. Its pathogenesis involves a complex interplay of genetic predisposition, immune dysregulation, and environmental influences. These factors converge to impair the colon’s epithelial defenses and promote an exaggerated inflammatory response against luminal contents.Breakdown of the Mucosal...
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Gastrointestinal Motility Disorders01:20

Gastrointestinal Motility Disorders

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

Imaging Studies III: Gastrointestinal Motility Studies and Virtual Colonoscopy

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This lesson explores three gastrointestinal imaging techniques: radionuclide testing, colonic transit studies, and virtual colonoscopy.
Radionuclide Testing
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Laxatives are primarily used to alleviate constipation, a common gastrointestinal disorder characterized by infrequent bowel movements and difficulty passing stools. They work by various mechanisms to increase the volume or frequency of bowel movements. The primary modes of action of laxatives include increasing stool bulk, softening the stool, stimulating intestinal motility, and osmotically drawing water into the intestines.
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Inflammatory Bowel Disease V: Surgical Management01:21

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Surgical interventions for inflammatory bowel disease (IBD), which includes ulcerative colitis and Crohn's disease, are essential in managing symptoms and addressing complications. The selection of surgical procedures is contingent upon the specific conditions and complications that stem from these illnesses.
Here are some common surgical interventions for IBD:
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Inflammatory Bowel Disease I: Ulcerative Colitis01:27

Inflammatory Bowel Disease I: Ulcerative Colitis

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Introduction
Inflammatory bowel disease, or IBD, encompasses a group of disorders characterized by chronic inflammation or ulceration of the gastrointestinal tract.
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Related Experiment Video

Updated: Apr 20, 2026

Gastrointestinal Motility Monitor GIMM
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Colonic motility in ulcerative colitis.

Gabrio Bassotti1, Elisabetta Antonelli2, Vincenzo Villanacci3

  • 1Gastroenterology Section, Department of Medicine, University of Perugia, Perugia, Italy.

United European Gastroenterology Journal
|December 3, 2014
PubMed
Summary
This summary is machine-generated.

Ulcerative colitis (UC) patients often have abnormal colonic motility due to neuromuscular dysfunction. Understanding these changes can improve UC symptom management and treatment strategies.

Keywords:
Colonenteric nervous systeminflammationmanometrymotilitymyenteric plexusulcerative colitis

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Area of Science:

  • Gastroenterology
  • Colorectal Surgery
  • Inflammatory Bowel Disease Research

Background:

  • Inflammatory conditions, such as ulcerative colitis (UC), can disrupt normal gut motility.
  • Ulcerative colitis is a primary inflammatory bowel disease characterized by inflammation of the colon.

Purpose of the Study:

  • To review colonic motility abnormalities in ulcerative colitis.
  • To examine laboratory and pathological studies related to UC and colonic function.

Main Methods:

  • Comprehensive literature search of Medline and Science Citation Index.
  • Review of studies on colonic motility, in vitro laboratory findings, and pathology in UC.

Main Results:

  • Patients with UC frequently exhibit abnormal colonic motor activity.
  • Observed abnormalities include reduced contractility, increased propulsive waves, and altered levels of neurotransmitters and inflammatory markers like nitric oxide, vasoactive intestinal polypeptide, and interleukin-1 beta.
  • These changes suggest a neuromuscular dysfunction linked to the inflammatory process in UC.

Conclusions:

  • Altered colonic motility in UC is linked to underlying pathophysiological mechanisms.
  • A deeper understanding of these mechanisms can enhance knowledge of UC symptoms.
  • This knowledge may facilitate the development of more effective and targeted therapeutic interventions for ulcerative colitis.