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Hypersensitivities

Hypersensitivities

Hypersensitivity, also known as a hypersensitivity reaction or allergic reaction, is a condition where the body's immune system reacts abnormally to a foreign substance. Such substances, that cause hypersensitivity are referred to as an allergen, could be something typically harmless to most people, like pollen or certain foods.
Types of Hypersensitivities
Hypersensitivity reactions are categorized into four types: Type 1, Type 2, Type 3, and Type 4. Each type has a distinct mechanism...

Allergic Reactions

Allergic Reactions

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Related Experiment Video

Updated: Jan 30, 2026

Contact Hypersensitivity as a Murine Model of Allergic Contact Dermatitis

Contact Hypersensitivity as a Murine Model of Allergic Contact Dermatitis

Published on: September 26, 2022

Hypersensitivity Pneumonitis

Hakan Sahin¹, Katherine Kaproth-Joslin¹, Susan K Hobbs¹

¹Department of Imaging Sciences, University of Rochester Medical Center, Rochester, NY.

Seminars in Roentgenology

|January 28, 2019

Summary

No abstract available in PubMed .

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