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

Type I - lgE-Mediated, Within I Hour (Anaphylaxis)
Type II - IgG or IgM
Types of hypersensitivity ... Type Ill - Immune Complex-Mediated ... Sickness) Type IV T-Cell-Mediated ... happypillsrx/ #hypersensitivity ... reactions #Types #Classification
Summary table of types of hypersensitivity reactions. 
Type 1
 - Mediators: lgE
 - Antigen Form: Soluble
table of types of hypersensitivity ... Antigen-antibody complex ... Antigen-antibody complexes ... T-cells recruit ... allergy #table #classification
Type II Hypersensitivity: Pathogenesis and clinical findings
Definition: When antigens bind to the body's cell surfaces, forming
Type II Hypersensitivity ... antigen-surface complex ... antigen-surface complex ... or the entire complex ... 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 ... to the T-cell receptor ... histocompatibility complex ... depending on the T-cell ... ImmuneResponses #immunology #pathophysiology
Hypersensitivity: Summary
Type I Hypersensitivity:
 • Immunological Mediator: lgE
 • Immunological Target: Allergen Molecules
 • Ex: Antibiotic
Hypersensitivity ... Target: Modified cell ... Antigen-Ab immune complexes ... Immunological Mediator: Th Cells ... Reactions #Types #Classification
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
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 ... Reactions #Types #Classification