815 results
Type II Hypersensitivity: Pathogenesis and clinical findings
Definition: When antigens bind to the body's cell surfaces, forming
Definition: When antigens ... These antigens can ... either be self-antigens ... , or foreign antigens ... Allergy #Immunology #pathophysiology
Type III Hypersensitivity: Pathogenesis and clinical findings
Definition: Small antigen-antibody complexes (produced from normal immune response to
Definition: Small antigen-antibody ... If self-antigens ... If bacterial antigens ... Allergy #Immunology #pathophysiology
Innate Immune Cells - Pathophysiology
The innate immune system consists of granulocytes, mast cells, natural killer cells,
Immune Cells - Pathophysiology ... are professional antigen-presenting ... to internalize antigens ... and present the antigens ... Immune #Cells #Pathophysiology
Cellular and humoral immune responses of the adaptive immune system. Activated T cells accomplish cellular immune
Exogenous antigen ... only occurs when antigen ... is presented by antigen-presenting ... Endogenous antigens ... ImmuneResponses #immunology #pathophysiology
Gonorrhea: Pathophysiology

 - Neonatal Transmission -> Direct contact of patient mucosa with mother's infected mucosa while
Gonorrhea: Pathophysiology ... immunity: - Antigenic ... of gonococcal antigen ... proteases - Blocking antigen ... #Gonorrhea #Pathophysiology
Hypersensitivity Types and Their Mechanisms
Type I - lgE - Soluble antigen
 - Allergen-specific lgE antibodies bind
lgE - Soluble antigen ... IgM - Cell-bound antigen ... IgM - Soluble antigen ... - Antigen-antibody ... Classification #Pathophysiology
Type IV Hypersensitivity: Pathogenesis and clinical findings
Definition: Unique because it is entirely T-Cell mediated; exposure to
Macrophage engulfs antigen ... -> Antigen presentation ... cells recognize antigen ... Allergy #Immunology #pathophysiology
Allergic Rhinitis: Pathogenesis and clinical findings

1. Allergy Sensitization -> Antigen Exposure -> APC (macrophages, HLA class
Sensitization -> Antigen ... class II) process antigen ... by 15 minutes) Antigen ... Exposure -> Antigen ... Rhinitis #Rhinorrhea #pathophysiology
Inflammatory mechanism of asthma. 
Airway epithelial cells exposed to activation stimuli, including allergens, viruses, and irritants,
where they present antigens ... crosslinked by an antigen ... #asthma #pathophysiology
How dendritic cells (DCs) orchestrate adaptive immunity
1- Sensing of microbial and damage signals by DCs
2- Phenotypic
professional phagocytes: Antigen ... immunity #immunology #pathophysiology