Immune system disorders

Immune system disorders

*Learning objectives:-
1- Classify disorders of the immune system.
2-Identify mechanisms of hypersensitivity reactions.
3-Define (immediate hypersensitivity, allergy, allergen.)
4-Identify types of immediate hypersensitivity.
5- Describe the two phases of local reaction of type I hypersensitivity.
6-Discuss the role of mast cell in type I hypersen.
7-Discuss the role of basophil in type I hypersen.
8-Explain the mechanism of immediate hypersen.
9-List the categories of mediators in type I hypersen.
10-Discuss the types,for
mation,sources,&actions of mediators of type

Introduction to hypersensitivity
reaction
*Human-------Environment-------Ag.
*Types of Ags.
*Types of hypersensitivity reactions
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Immediate hypersensitivity
-Definition of:
*Type I hypersensitivity.
*Allergy.
*Allergen.
*Atopic allergy.
*Systemic anaphylaxis.
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I hype.

Types of immediate hypersensitivity
1- Local immediate hypersensitivity reactions.
-Allergen.
-Examples.
2-Systemic anaphylaxis.
-Characteristics.
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