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Immunology & Immune System (Introduction to IMMUNE SYSTEM (4…

- - - - Reaction to subsequent exposure is stronger
    - - Destructive capacity
        
        Complement system
        
        Antibodies
        
        White blood cells
    - - Capacity to detect foreign & self antigen
    - - Ability to self-regulate
        
        Failure leads to Allergy & Auntoimmune
  - - - To transport lymph throughout body
      - Fluid containing infection-fighting WBC
      - Remove toxins/waste/unwanted materials from body
    - - Bone marrow
        
        Production site of WBC
      - Thymus
        
        Storage and maturation site of lymphocytes (WBC)
      - Lymph nodes
        
        Filtering foreign and cancer substances
  - - - T cell
        
        Secretes cytokines
        
        Receptor: embedded in membrane
      - NK cell
        
        Release lytic granules
      - B cell
        
        Secretes antibodies (into extracellular) and APC
    - - Neutrophil
        
        Phagocytosis and bactericidal mechanisms activation
      - Eosinophil
        
        Killing of antibody-coated parasites
      - Denditric
        
        Antigen uptake at peripheral tissue & APC
      - Basophil
        
        Unknown
      - Macrophage
        
        Phagocytosis and APC
      - Mast cell
        
        Release histamine granules