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Related Concept Videos

Appendicitis01:19

Appendicitis

Appendicitis is an acute inflammatory condition of the vermiform appendix, most commonly caused by obstruction of its lumen. The appendix is a narrow, blind-ended pouch that extends from the cecum, making it particularly prone to obstruction. Causes include fecaliths, lymphoid hyperplasia (often after viral infections), parasites, tumors, or foreign bodies. This obstruction initiates a cascade of pathological changes.Luminal Obstruction and Early InflammationAfter obstruction, normal mucosal...
Appendicitis-I: Introduction01:22

Appendicitis-I: Introduction

The appendix, a small, narrow, blind tube extending from the inferior part of the cecum, is widely regarded as a vestigial organ, having lost much of its original function through evolution. Despite its diminished role, the appendix can become inflamed, a condition known as appendicitis.
Etiology: Appendicitis can arise from various causes, primarily rooted in the obstruction of the appendix lumen. Factors contributing to this obstruction include fecal accumulation, lymphoid hyperplasia and, in...
Diverticular Disease of the Colon01:27

Diverticular Disease of the Colon

Diverticular disease involves the formation of diverticula—small sac-like outpouchings of the colonic wall—and their complications. It most commonly affects the sigmoid colon due to higher intraluminal pressure and structural vulnerability. It results from structural weakness and increased pressure in the colon, producing pseudodiverticula that may remain silent or progress to inflammation and serious complications.Structure of DiverticulaIn diverticulosis, these outpouchings are...
Appendicitis-II: Diagnostic Studies and Management01:29

Appendicitis-II: Diagnostic Studies and Management

Diagnosing and managing appendicitis requires a structured and comprehensive approach that spans from initial assessment to postoperative care. Here is an overview of the process:
Diagnosing Appendicitis
It requires a multifaceted approach, starting with a detailed physical examination to pinpoint the location and nature of the pain and identify any associated symptoms. Laboratory tests play a crucial role. A complete Blood Count (CBC) typically reveals leukocytosis (an increased number of...
Microvilli00:55

Microvilli

Microvilli are tiny finger-like projections found on the surface of certain cells. Their purpose is to increase the surface area of the cell's apical surface, resulting in more effective absorption or secretion of substances.
These microvilli are predominantly present in cells lining the small intestine, kidney tubules, and certain cells in the respiratory and reproductive systems. By significantly expanding the surface area of the cell membrane, microvilli enhance the cell's capacity to...
Mucosal Barrier of the Stomach01:25

Mucosal Barrier of the Stomach

The gastric glands contain parietal cells that secrete hydrochloric acid (HCl) for digestion. The cells secrete HCl because it is highly corrosive and essential for breaking down food. To achieve this, they secrete hydrogen and chloride ions into the lumen of the gastric glands, which combine to form HCl.
Within parietal cells, carbonic acid is first formed through the reaction of water and carbon dioxide. The dissociation of carbonic acid releases bicarbonate and hydrogen ions. The bicarbonate...

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Related Experiment Video

Updated: Jun 17, 2026

Murine Appendectomy Model of Chronic Colitis Associated Colorectal Cancer by Precise Localization of Caecal Patch
08:51

Murine Appendectomy Model of Chronic Colitis Associated Colorectal Cancer by Precise Localization of Caecal Patch

Published on: August 24, 2019

[Mucocele of the appendix].

Roberto Gibson Ferreira Costa1

  • 1Serviço de Cirurgia Geral, Hospital Senhor do Bonfim, Xiquexique, BA. rrgibson@terra.com.br

Revista Do Colegio Brasileiro De Cirurgioes
|January 16, 2010
PubMed
Summary

Appendiceal mucocele, a rare appendix enlargement, is often found incidentally. This report details a benign case in a 49-year-old male, discussing its causes and surgical options.

Area of Science:

  • Gastroenterology
  • Surgical Pathology

Background:

  • Appendiceal mucocele is a rare condition involving appendix enlargement due to mucus accumulation.
  • It occurs in 0.1-0.4% of appendectomies, predominantly in females over 50.
  • Often discovered incidentally during imaging or surgery.

Observation:

  • A case report of a benign appendiceal mucocele in a 49-year-old male.
  • This presentation is atypical given the typical demographic profile.

Findings:

  • The study discusses the pathogenesis of appendiceal mucocele.
  • It explores various surgical management strategies for this condition.

Implications:

  • Highlights the importance of considering appendiceal mucocele in differential diagnoses, even in atypical patient demographics.

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Three-dimensional Quantification of Intestinal Mucus Using Whole-mount Tissue Imaging
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Three-dimensional Quantification of Intestinal Mucus Using Whole-mount Tissue Imaging

Published on: September 12, 2025

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Murine Appendectomy Model of Chronic Colitis Associated Colorectal Cancer by Precise Localization of Caecal Patch
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Three-dimensional Quantification of Intestinal Mucus Using Whole-mount Tissue Imaging
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Three-dimensional Quantification of Intestinal Mucus Using Whole-mount Tissue Imaging

Published on: September 12, 2025

  • Informs surgical decision-making for appendiceal mucocele management.