The Humoral immunity reference article from the English Wikipedia on 24-Jul-2004
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Humoral immunity

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Humoral immunity is mediated by secreted antibodies, produced in cells of the B lymphocyte lineage (B cell). Secreted antibodies bind to antigens on the surfaces of invading microbes, which flags them for destruction.


Immune system
Humoral immune system - Cellular immune system - Lymphatic system

White blood cells - B cells - Antibodies - Antigen (MHC) - T cells (Cytotoxic & Helper)