Immune System

Immune System

1. Disorders

2. Immunity

   • Passive
     • Exposed naturally to infection
       • Placental transfer from mother to fetus
     • Exposed artificially to infection
       • Injected with serum that contains antibody for a disease
   • Active
     • Exposed naturally to infection
       • Natural exposure to an antigen
     • Exposed artificially to infection
       • Been vaccinatated by form of antigen that is either weakened or dead so it does not make you sick but triggers an immune response

3. Adaptive

   • This class involves the production of T-lymphocytes
     • Cell-Mediated Immunity
       • CD8 Cells
         • Secrete chemicals that destroy virus infected cells
       • T-lymphocytes
       • CD4 Cells
         • Enhance B-cell growth, cytotoxic cell activity, and active microphages
   • This class involves the production of antibodies
     • Humoral Immunity
       • In this type of defense antigens stimulate
         • B-lymphocytes
           • To convert to
             • Memory Cells
             • Plasma Cells

4. Innate