In this article we will discuss about the active and passive immunity of cell-mediated. 1. Active Immunity: On the basis of immunity acquired, active immunity may be natural or artificial. i. Natural active immunity: It results from either a clinical or an in-apparent subclinical infection by a microbe after repeated exposure to small doses of […]
The below mentioned article provides notes on cell-mediated (cellular) immunity. The cell-mediated or cellular immunity is that where the T-lymphocytes destroy other cells having antigens on their surface without any mediation by antibodies. The precursors of T-lymphocytes produced by stem cells of bone marrow pass through liver and spleen before reaching the thymus where they […]
In this article we will discuss about cell-mediated immunity. While humoral immunity protects the body from extracellular pathogenic agents and soluble antigens like toxins, cell-mediated immunity is directed against intracellular pathogens. The infected body cells are recognized by the immune cells and are destroyed. Also, abnormal body cells, like cancer cells, are recognized as non-self […]
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