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Related Concept Videos

Histology of the Small Intestine01:27

Histology of the Small Intestine

The small intestine exhibits a unique histological structure that significantly enhances its function in digestion and nutrient absorption. These structures include circular folds, villi, and various specialized cells that collectively facilitate the digestion of food.
The intestinal lining features transverse folds called circular folds, each housing fingerlike projections known as intestinal villi. These villi are covered by a layer of simple columnar epithelium, also referred to as...
Renewal of Intestinal Stem Cells01:23

Renewal of Intestinal Stem Cells

The intestinal epithelial lining rapidly renews every 4 to 5 days. The renewal is facilitated by intestinal stem cells (ISCs) located at the base of the crypt– a gland located at the bottom of each villus. ISCs divide asymmetrically to form new stem cells and progenitor daughter cells. The daughter cells are called transit-amplifying (TA) cells which move upwards along the crypt and either differentiate into absorptive cells– the enterocytes or secretory cells– including the goblet,...
Intestinal Obstruction I: Introduction01:29

Intestinal Obstruction I: Introduction

Intestinal obstruction is a partial or complete blockage of the small or large intestine that disrupts the normal flow of intestinal contents through the lumen. This interruption impairs digestion, absorption, and fluid balance, and may lead to serious complications if not treated promptly.Mechanical ObstructionMechanical obstruction occurs when a physical blockage prevents intestinal contents from passing, arising from within the lumen or the bowel wall, or from external compression.Adhesions,...
Small Intestine01:15

Small Intestine

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.
The small intestine is divided into three main sections - the duodenum, jejunum, and ileum. The duodenum, approximately 25 cm long, is nearest the stomach. It acts as a 'mixing bowl,' where chyme (partially digested food) blends with digestive enzymes from the pancreas and liver. The duodenum's unique C-shape wraps...

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Related Experiment Video

Updated: Jun 21, 2026

A Simple Device to Rapidly Prepare Whole Mounts of the Mouse Intestine
05:49

A Simple Device to Rapidly Prepare Whole Mounts of the Mouse Intestine

Published on: October 27, 2015

Small intestinal tumours.

Savio George Barreto1, Parul J Shukla, Shailesh V Shrikhande

  • 1Department of Gastrointestinal Surgical Oncology, Tata Memorial Hospital, Mumbai, India.

Journal of the College of Physicians and Surgeons--Pakistan : JCPSP
|July 7, 2009
PubMed
Summary
This summary is machine-generated.

Diagnosing small bowel tumors is challenging due to subtle symptoms and limited tests. Increasing awareness of small bowel neoplasms in epidemiology, diagnosis, and treatment is crucial for better patient outcomes.

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Establishment and Characterization of Small Bowel Neuroendocrine Tumor Spheroids
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Establishment and Characterization of Small Bowel Neuroendocrine Tumor Spheroids

Published on: October 14, 2019

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Last Updated: Jun 21, 2026

A Simple Device to Rapidly Prepare Whole Mounts of the Mouse Intestine
05:49

A Simple Device to Rapidly Prepare Whole Mounts of the Mouse Intestine

Published on: October 27, 2015

Establishment and Characterization of Small Bowel Neuroendocrine Tumor Spheroids
09:43

Establishment and Characterization of Small Bowel Neuroendocrine Tumor Spheroids

Published on: October 14, 2019

Area of Science:

  • Gastroenterology
  • Oncology

Background:

  • Small bowel neoplasms present diagnostic challenges for clinicians.
  • Subtle signs and lack of definitive pre-operative tests contribute to diagnostic difficulties.

Purpose of the Study:

  • To enhance clinician awareness regarding small bowel tumors.
  • To provide a comprehensive overview of small bowel neoplasm epidemiology, diagnosis, and treatment.

Main Methods:

  • Literature review focusing on small bowel neoplasms.
  • Analysis of epidemiological data, diagnostic modalities, and treatment strategies.

Main Results:

  • Small bowel tumors are often diagnosed late due to non-specific symptoms.
  • Current diagnostic tools have variable efficacy, necessitating improved approaches.

Conclusions:

  • Increased awareness and understanding of small bowel tumors are vital.
  • A multidisciplinary approach is essential for effective diagnosis and management of these rare malignancies.