Types of Lymphocytes
1. B lymphocytes
2. T lymphocytes
3. Natural killar cells(NK Cells)
T Lymphocytes
T lymphocytes mature in the thymus gland before they colonize typhoid tissue.
They function by directly attacking the infected or cancer cells.
T lymphocytes are identified with cell mediated immunity.
T cell are able to kill cells of the body that are infected by a virus.
T cells recognizes antigen on surface of cell infected with a virus enabling T cell to bind to and kill infected cell.
T cell are essential to immune response because they have unique "memory" system which allow them to remember past invaders and prevent disease when a similar invader is encountered again.
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