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Fate of antigen via route:, GastroIntestinal Tract, Respiratory Tract, T…

- - - - Tight junctions between cells in arteries, veins, capillaries
- - - - T Cells
      - B Cells
        
        B Cell has a receptor that matches antigen of Pathogen and becomes Activated
        
        Plasma Cell: Make Plasma cells that manufacture Antibodies to find and "tag" pathogens
        
        Antibodies are soluble forms of the antigen receptor
        
        Memory Cell: that keeps antigen following infection to fight pathogen if ever introduced to the body again
    - - Activated Dendritic Cell brings MHC Class 1 to Tc Cell
        
        Cytotoxic T Cells
        
        Cytotoxic T Cell clones itself with the MHC Class 1 Receptor to attack the specific pathogen
      - Activated Dendritic Cell brings MHC Class 2 receptor from pathogen to Th Cell
        
        T Helper Cells
        
        T Helper Cell clones itself with the MHC Class 2 Receptor to attack the specific pathogen
        
        When T Helper cell binds with Pathogens MHC Class 2 receptor it releases Cytokines to 1) help activate Tc and B Cells 2) recruit more immune cells
- - - - T Cells
        
        T Helper Cells
        
        T Helper Cell clones itself with the MHC Class 2 Receptor to attack the specific pathogen
        
        When T Helper cell binds with Pathogens MHC Class 2 receptor it releases Cytokines to 1) help activate Tc and B Cells 2) recruit more immune cells
      - B Cells
        
        B Cell has a receptor that matches antigen of Pathogen and becomes Activated
        
        Plasma Cell: Make Plasma cells that manufacture Antibodies to find and "tag" pathogens
        
        Antibodies are soluble forms of the antigen receptor
        
        Memory Cell: that keeps antigen following infection to fight pathogen if ever introduced to the body again
    - - Alveolar Macrophages in the Alveoli, and Interstitial Macrophages Recognize Pathogens with PRM receptors. Then they Surround, phagocytose, then lyse the pathogen. Then, they can release their Cytokines to recruit more immune cells
- - - - Cytotoxic T Cell clones itself with the MHC Class 1 Receptor to attack the specific pathogen
    - - T Helper Cell clones itself with the MHC Class 2 Receptor to attack the specific pathogen
        
        When T Helper cell binds with Pathogens MHC Class 2 receptor it releases Cytokines to 1) help activate Tc and B Cells 2) recruit more immune cells
  - - - Plasma Cell: Make Plasma cells that manufacture Antibodies to find and "tag" pathogens
        
        Antibodies are soluble forms of the antigen receptor
      - Memory Cell: that keeps antigen following infection to fight pathogen if ever introduced to the body again
- - - - T Helper Cells
        
        T Helper Cell clones itself with the MHC Class 2 Receptor to attack the specific pathogen
        
        When T Helper cell binds with Pathogens MHC Class 2 receptor it releases Cytokines to 1) help activate Tc and B Cells 2) recruit more immune cells
    - - B Cell has a receptor that matches antigen of Pathogen and becomes Activated
        
        Plasma Cell: Make Plasma cells that manufacture Antibodies to find and "tag" pathogens
        
        Antibodies are soluble forms of the antigen receptor
        
        Memory Cell: that keeps antigen following infection to fight pathogen if ever introduced to the body again
- - - - NK Cell is "switched on" and kills cell
        
        Releases Cytokines to recruit more cells