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Related Concept Videos

Inflammatory Response I: Vascular and Cellular01:30

Inflammatory Response I: Vascular and Cellular

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The inflammatory response is the body's defense against infection, injury, or irritation from bacteria, trauma, toxins, or heat. Inflammation helps locate and destroy pathogens and remove damaged tissue elements to heal the body. During this initial phase, fluid, blood products, and nutrients migrate to the injured area, resulting in redness, heat, swelling, ache, and loss of function. Moreover, signs of systemic inflammation include fever, increased WBC count, malaise, anorexia, nausea,...
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Inflammation01:38

Inflammation

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Inflammatory Response01:28

Inflammatory Response

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An inflammatory response is a localized, nonspecific immune reaction that occurs when a tissue is injured. It is characterized by redness, swelling, heat, and pain, which are commonly called the cardinal signs and symptoms of inflammation. Inflammation can sometimes result in a loss of function.
Inflammation can be triggered by various stimuli, such as impact, abrasion, chemical irritation, infections, and extreme hot or cold temperatures. These can damage cells and connective tissue fibers,...
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Inflammatory Response II: Inflammatory Exudate and Tissue Repair01:24

Inflammatory Response II: Inflammatory Exudate and Tissue Repair

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The immune system's inflammatory response destroys the invading pathogen, permitting the tissue to heal. The changes during the cellular and vascular stages allow exudate formation at the site of inflammation. The inflammatory exudate released from the wound has high protein content and a specific gravity above 1.020.
The typical wound exudate is odorless, transparent, straw-colored, thin, and watery. Exudate, however, can differ depending on the state of wound healing. Likewise, the...
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Inflammatory Bowel Disease II: Crohn's Disease01:30

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Inflammatory bowel disease, commonly known as IBD, refers to a collection of disorders that lead to persistent inflammation of the gastrointestinal tract. The two types of IBD are ulcerative colitis, which impacts the colon, and Crohn's disease, which can involve any part of the gastrointestinal segment.
Crohn's disease
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Gastritis-II: Pathophysiology01:17

Gastritis-II: Pathophysiology

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Gastritis is marked by disruption of the mucosal barrier that usually protects the stomach tissue from digestive juices and manifests in acute and chronic forms.
In acute gastritis, the gastric mucosa becomes swollen and red and undergoes superficial erosion. Superficial ulceration may lead to bleeding.
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Related Experiment Video

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In vivo Imaging Method to Distinguish Acute and Chronic Inflammation
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A guiding map for inflammation.

Mihai G Netea1,2, Frances Balkwill3, Michel Chonchol4

  • 1Department of Internal Medicine and Radboud Center for Infectious Diseases, Radboud University Medical Center, Nijmegen, the Netherlands.

Nature Immunology
|July 20, 2017
PubMed
Summary
This summary is machine-generated.

This guide explains the cellular and humoral contributors to inflammation. It details the biological pathways involved in inflammation across various organs and tissues.

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Related Experiment Videos

Last Updated: Feb 26, 2026

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Area of Science:

  • Immunology
  • Cellular Biology
  • Physiology

Background:

  • Inflammation is a fundamental biological response studied by biologists, physicians, and immunologists.
  • Understanding the cellular and molecular mechanisms of inflammation is crucial for disease diagnosis and treatment.

Purpose of the Study:

  • To provide a comprehensive overview of the cellular and humoral components of inflammation.
  • To elucidate the diverse biological pathways characterizing inflammation in specific organs and tissues.

Main Methods:

  • Review of existing literature on inflammation.
  • Synthesis of information on cellular and humoral mediators.
  • Analysis of organ-specific inflammatory pathways.

Main Results:

  • Identification of key cellular participants in inflammatory processes.
  • Description of humoral factors contributing to inflammation.
  • Characterization of distinct inflammatory pathways in different tissues.

Conclusions:

  • Inflammation involves a complex interplay of cellular and humoral elements.
  • Tissue-specific pathways highlight the heterogeneity of inflammatory responses.
  • This guide serves as a foundational resource for understanding inflammation.