27 results
Hypersensitivity Types and Their Mechanisms
Type I - lgE - Soluble antigen
 - Allergen-specific lgE antibodies bind
Hypersensitivity ... Antigen-antibody complexes ... IV - T cells - ... sclerosis #Hypersensitivity ... #Pathophysiology
Types of hypersensitivity reactions

Type I - lgE-Mediated, Within I Hour (Anaphylaxis)
Type II - IgG or IgM
Types of hypersensitivity ... reactions Type ... Ill - Immune Complex-Mediated ... IV T-Cell-Mediated ... happypillsrx/ #hypersensitivity
Summary table of types of hypersensitivity reactions. 
Type 1
 - Mediators: lgE
 - Antigen Form: Soluble
of hypersensitivity ... Antigen-antibody complex ... Antigen-antibody complexes ... T-cells recruit ... Graft rejection #hypersensitivity
Type II Hypersensitivity: Pathogenesis and clinical findings
Definition: When antigens bind to the body's cell surfaces, forming
Type II Hypersensitivity ... antigen-surface complex ... surfaces #Type2 ... #Type2 #HypersensitivityReaction ... Allergy #Immunology #pathophysiology
Type IV Hypersensitivity: Pathogenesis and clinical findings
Definition: Unique because it is entirely T-Cell mediated; exposure to
Type IV Hypersensitivity ... it is entirely T-Cell ... allergen-specific T-Cell ... exposure, because T-Cell ... Allergy #Immunology #pathophysiology
Cellular and humoral immune responses of the adaptive immune system. Activated T cells accomplish cellular immune
Activated T cells ... histocompatibility complex ... type. ... cell types exist ... ImmuneResponses #immunology #pathophysiology
Hypersensitivity: Summary
Type I Hypersensitivity:
 • Immunological Mediator: lgE
 • Immunological Target: Allergen Molecules
 • Ex: Antibiotic
: Summary Type ... conjunctivitis Type ... Target: Modified cell ... Antigen-Ab immune complexes ... Immunological Mediator: Th Cells
Type I Hypersensitivity: Pathogenesis and clinical findings
Definition: Production of lgE Antibodies that bind to harmless allergens
Type I Hypersensitivity ... allergen-antibody complex ... Allergen-antibody complexes ... Anaphylaxis #TypeI ... Allergy #Immunology #pathophysiology
Allergic Contact Dermatitis 
- Erythematous, indurated, scaly plaques 
- T-cell mediated, delayed-type hypersensitivity response to exogenous
scaly plaques - T-cell ... mediated, delayed-type ... hypersensitivity
Hypersensitivity: Definitions
 • Type I - Production of lgE Abs that bind to harmless allergens and
Hypersensitivity ... it is entirely T-Cell ... allergen-specific T-Cell ... exposure, because T-Cell ... #Hypersensitivity