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

Type I - lgE-Mediated, Within I Hour (Anaphylaxis)
Type II - IgG or IgM
reactions Type ... (Anaphylaxis) Type ... Ill - Immune Complex-Mediated ... IV T-Cell-Mediated ... #Classification
Summary table of types of hypersensitivity reactions. 
Type 1
 - Mediators: lgE
 - Antigen Form: Soluble
Antigen-antibody complex ... Antigen-antibody complexes ... - Mediators: T ... T-cells recruit ... allergy #table #classification
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
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
Hypersensitivity: Summary
Type I Hypersensitivity:
 • Immunological Mediator: lgE
 • Immunological Target: Allergen Molecules
 • Ex: Antibiotic
conjunctivitis Type ... Target: Modified cell ... Antigen-Ab immune complexes ... Immunological Mediator: Th Cells ... #Classification
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
Humoral Immunity - Pathogenesis and Clinical Findings
Antigens (Ag) are produced from pathogens (bacteria, viruses, fungi, parasites)
other tissue • T ... to CD4+ helper T ... B cellsT cell-independent ... co-receptor complex ... Humoral #Immunity #pathophysiology
Lymphomas and Lymphoproliferative Disorders - Differential Diagnosis Algorithm
Hodgkin Lymphoma ~40% - Characteristic For Reed-Sternberg (RS) Cells
Differential Diagnosis Algorithm ... as common - T ... Lymphoproliferative #Disorders #Classification ... #pathophysiology ... #differential #algorithm