Memory B Cell | Cytology - Encyclopedia Britannica

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function in immune system

• In immune system: Activation of T and B lymphocytes

  …by clonal selection—effector cells and memory cells. Effector cells are the relatively short-lived activated cells that defend the body in an immune response. Effector B cells are called plasma cells and secrete antibodies, and activated T cells include cytotoxic T cells and helper T cells, which carry out cell-mediated responses.

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• In immune system: Activation of B cells

  …B cells that are called memory cells, however, encounter antigen in the germinal centres—compartments in the lymphoid tissues where few T cells are present—and are activated in a different way. Memory cells, especially those with the most effective receptors, multiply extensively, but they do not secrete antibody. Instead, they remain…

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types of lymphocyte

• In lymphocyte: Types and functions of lymphocytes

  Other B cells, the memory B cells, are stimulated to multiply but do not differentiate into plasma cells; they provide the immune system with long-lasting memory.

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vaccination

• In vaccine: Benefits of vaccination

  …addition to the development of memory B cells, which are capable of triggering a secondary immune response upon exposure to the pathogen targeted by a vaccine, vaccination is also beneficial at the population level. When a sufficient number of individuals in a population are immune to a disease, as would…

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