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Related Concept Videos

Endoscopic Procedures III: Video Capsule Endoscopy01:28

Endoscopic Procedures III: Video Capsule Endoscopy

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Capsule endoscopy, or wireless or video capsule endoscopy, is a diagnostic procedure for examining the entire gastrointestinal tract. Patients swallow a capsule about the size of a vitamin tablet. The capsule is equipped with a transmitter, a battery, an LED light source, and a color video camera to capture images throughout the gastrointestinal tract. This procedure is particularly useful for diagnosing conditions such as Crohn's disease, ulcerative colitis, tumors, polyps, ulcers,...
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Although digestion of proteins, carbohydrates, and lipids may begin in the stomach, it is completed in the intestine. The absorption of nutrients, water, and electrolytes from food and drink also occurs in the intestine. The intestines can be divided into two structurally distinct organs—the small and large intestines.
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Intrinsically disordered proteins are a group of proteins that do not fold into specific three-dimensional structures. Their structural flexibility allows them to complement ordered proteins to perform functions that are inaccessible to rigid structures. They are more common in eukaryotes than prokaryotes and may either be exclusively intrinsically disordered or hybrid proteins, consisting of a mix of ordered and disordered regions. The absence of a rigid structure in these proteins can be...
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James Marcia's identity status model provides a framework for understanding how adolescents navigate identity formation through varying degrees of exploration and commitment. Marcia's model builds on Erik Erikson's theories of psychosocial development, focusing specifically on how adolescents reconcile individual aspirations with societal expectations. His model describes identity formation as a dynamic process where adolescents move between different states depending on their level...
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Electrical current is defined as the rate at which charge flows. When there is a large current present, such as that used to run a refrigerator, a large amount of charge moves through the wire in a small amount of time. If the current is small, such as that used to operate a handheld calculator, a small amount of charge moves through the circuit over a long period of time. The SI unit for current is the ampere (A), named for the French physicist André-Marie Ampère (1775–1836).
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The small intestine is primarily responsible for digestion and nutrient absorption. It spans from the pyloric sphincter to the ileocecal valve and connects to the large intestine.
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Related Experiment Video

Updated: Jan 30, 2026

Murine Endoscopy for In Vivo Multimodal Imaging of Carcinogenesis and Assessment of Intestinal Wound Healing and Inflammation
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Capsule endoscopy for small-intestinal disorders: Current status.

Naoki Hosoe1, Kaoru Takabayashi1, Haruhiko Ogata1

  • 1Center for Diagnostic and Therapeutic Endoscopy, School of Medicine, Keio University, Tokyo, Japan.

Digestive Endoscopy : Official Journal of the Japan Gastroenterological Endoscopy Society
|January 19, 2019
PubMed
Summary

Small-bowel capsule endoscopy (SBCE) offers a non-invasive way to view the small intestine for detecting abnormalities. Newer technologies aim to improve accuracy and reduce reading time, though capsule retention remains a concern.

Keywords:
Crohn's diseasedouble-balloon enteroscopyobscure gastrointestinal bleedingsmall intestinevideo capsule endoscopy

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Area of Science:

  • Gastroenterology
  • Medical Imaging
  • Endoscopy

Background:

  • Small-bowel capsule endoscopy (SBCE) is a widely used, patient-friendly diagnostic tool.
  • It visualizes the entire small-intestinal mucosa, aiding in the detection of abnormalities.

Purpose of the Study:

  • To review the current status and advancements in small-bowel capsule endoscopy.
  • To discuss indications, limitations, and future directions of capsule endoscopy.

Main Methods:

  • Review of current small-bowel capsule endoscopy platforms and technologies.
  • Discussion of indications such as obscure GI bleeding, Crohn's disease, polyps, tumors, and celiac disease.
  • Exploration of colon capsule endoscopy (CCE) for pan-enteric evaluation.

Main Results:

  • Third-generation SBCE (PillCam® SB3) features high-resolution imaging and adaptive frame rates.
  • Software developments aim to decrease reading time and minimize missed lesions.
  • Capsule retention is the primary complication, necessitating patency testing in cases of suspected obstruction.

Conclusions:

  • SBCE is a valuable tool for diagnosing various small-intestinal conditions.
  • Colon capsule endoscopy (CCE) offers non-invasive pan-enteric evaluation, particularly for inflammatory bowel diseases.
  • Future advancements include AI-assisted reading to reduce the burden of video interpretation.