A plasma cell is a mature B lymphocyte that has been activated and differentiated to produce and secrete large amounts of antibodies. These specialized cells are key players in the humoral immune response, producing antibodies that specifically recognize and neutralize antigens. Plasma cells are responsible for the production of antibodies that provide immediate defense against pathogens, toxins, and foreign substances in the body. They play a crucial role in adaptive immunity by generating a targeted immune response and helping to eliminate harmful invaders.

英語での「plasma cell」の定義と意味

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