Plasma Cells
Plasma cells are specialized immune cells that are responsible for the production of antibodies. They are formed from the differentiation of B-cells, a type of white blood cell, when the B-cells encounter a foreign antigen. The plasma cells are significant as they are the cells of the immune system that are responsible for the secretion of antibodies. Antibodies are molecules that bind to antigens and help the body fight infection. Plasma cells therefore play a key role in immunity and in helping the body fight against external agents such as bacteria and viruses. In addition, they are important components in the diagnosis of various diseases, and are used in tests such as the ELISA (enzyme-linked immunosorbent assay).
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