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When antigens are destroyed by cells without
producing antibodies, the immunity is called cell
mediated immune response or cellular immunity.
Here T cells play a major role. B cells and
antibodies have no role in cell mediated
immunity.
In cell mediated immunity, intracellular foreign
antigens (viruses, bacteria) are killed. Protein
antigens bring about cell mediated immune
response.
T cells
Macrophages
Natural killer cells (NK).
Cell mediated immunity is brought about by the following cells:
When the antigen enters the body for the first time it causes
primary immune response. When the same antigen enters the
body for the second time, it produces secondary immune
response. Some of the sensitized T cells, function as memory
cells in cell mediated immune response.
CELLS RESPONSIBLE FOR CELL
MEDIATED IMMUNITY
BIOLOGICAL FUNCTIONS OF CELL
MEDIATED IMMUNITY
Immune surveillance
Graft rejection
Delayed type hypersensitivity reaction
Immunity to viral infection
Immunity to bacterial infection
Immunity to parasites.
The following are the functions of cell mediated immunity.
1.
2.
3.
4.
5.
6.
purebiotech.in
Also visit my site:
Thank you
For full notes link in the
discription

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Cell mediated immune response, Types and Functions

  • 1.
  • 2.
  • 3. When antigens are destroyed by cells without producing antibodies, the immunity is called cell mediated immune response or cellular immunity. Here T cells play a major role. B cells and antibodies have no role in cell mediated immunity. In cell mediated immunity, intracellular foreign antigens (viruses, bacteria) are killed. Protein antigens bring about cell mediated immune response.
  • 4. T cells Macrophages Natural killer cells (NK). Cell mediated immunity is brought about by the following cells: When the antigen enters the body for the first time it causes primary immune response. When the same antigen enters the body for the second time, it produces secondary immune response. Some of the sensitized T cells, function as memory cells in cell mediated immune response. CELLS RESPONSIBLE FOR CELL MEDIATED IMMUNITY
  • 5. BIOLOGICAL FUNCTIONS OF CELL MEDIATED IMMUNITY Immune surveillance Graft rejection Delayed type hypersensitivity reaction Immunity to viral infection Immunity to bacterial infection Immunity to parasites. The following are the functions of cell mediated immunity. 1. 2. 3. 4. 5. 6.
  • 6. purebiotech.in Also visit my site: Thank you For full notes link in the discription