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Immune system

protein , cell and organs
1. cells of immune system
  1. mast cells
    1. basophil
  2. monocyte
    1. macrophage
  3. lymphocyte
    1. T cells
    2. B cells
defense system of the individual against the threat
1. first line of defense
  1. external barriers
2. second line of defense
  1. internal barriers
3. third line of defense
  1. specific immune response
    1. humoral immunity
      1. protection through antibodies
    2. cell-mediated immunity
      1. protection through sensitized T cells
organ of immune system
1. primary of lymphoid organs
  1. production sites of immune cells
  2. maturation sites for immune cells in the absence of antigen
2. secondary of lymphoid organs
  1. maturation sites for antigen-driven immune cells
Types of immune system
1. specific immunity
  1. specifically recognize foreign antigens and selectively eliminates them
  2. reencountering
2. non-specific immunity
  1. natural defense system
  2. operate nonspecifically
  3. natural immunity
antigen
1. protein / polysaccharides
2. trigger specific immune response
3. reacts with product of response
4. structure of antigen
  1. antigenic determinant site
  2. carrier - antigen itself
Antibody
1. proteins molecules able to combine with antigenic determinants
2. secreted or membrane bound
3. important component of specific immune response

Immune system

	Created by aina syazlin about 9 years ago