title: B cell activation.
mesh_terms: D000818:Animals; D001402:B-Lymphocytes / Q000276:immunology*; D001666:Binding Sites, Antibody; D002462:Cell Membrane / Q000276:immunology; D000939:Epitopes; D006241:Haptens; D006801:Humans; D007108:Immune Tolerance; D007075:Immunoglobulin M; D007136:Immunoglobulins; D008213:Lymphocyte Activation; D008264:Macrophages / Q000276:immunology; D008934:Mitogens; D013601:T-Lymphocytes / Q000276:immunology
chemical_list: D000939:Epitopes; D006241:Haptens; D007075:Immunoglobulin M; D007136:Immunoglobulins; D008934:Mitogens