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| Humoral immunity The arm of the immune system directed toward circulating antigens such as bacteria, toxins and viruses that have not entered cells. Antibodies secreted by plasma cells mediate humoral immunity.
Read more about this term in the Online Textbook: HIV and AIDS: The Central Role of Helper T Cells Related Terms: Cellular Immunity Antigen Related Images: Helper T Cells Regulate Both Humoral and Cellular Immunity Related Animations: Immune System Overview View QuickTime Movie
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