Biology

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  • Created by: Jon_Higgs
  • Created on: 23-03-14 21:27
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  • Immunity
    • Vaccination
      • Succesful Vaccination
        • ecconimically viable
        • There must be few side effects
        • Means of stroing and
      • Method
        • A form of active immunity
        • A weakened or dead form of a pathogen is given in a small dose
    • Natural Immunity
      • Humoral Immunity
        • Anti bodies that are soluble in body tissues
          • B Lymphosytes
            • Upon entering the blood or tissue fluid the protiens on the pathogen ( antigens) are detected
              • B cells are activated by t Helper cells who detect the pathogen in the fluid.
              • B cells clone themselves , the clones differentiate into plasma cells and memory cells
      • Cell mediated Immunity
        • Antibodies respond to antigens present in the organisms own cells
          • T Lymphocytes
            • They only respond to antigens on cell surfaces
            • Upon detection t cells clone themselves
              • These cloned cells turn into memory cells which rapidly produce antibodies in the face of future infections
      • Lymphosytes
        • B Lymphosytes
          • Upon entering the blood or tissue fluid the protiens on the pathogen ( antigens) are detected
            • B cells are activated by t Helper cells who detect the pathogen in the fluid.
            • B cells clone themselves , the clones differentiate into plasma cells and memory cells
        • T Lymphocytes
          • They only respond to antigens on cell surfaces
          • Upon detection t cells clone themselves
            • These cloned cells turn into memory cells which rapidly produce antibodies in the face of future infections

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