title: Early molecular events in antigen-antibody cell activation.
mesh_terms: D000818:Animals; D000906:Antibodies / Q000032:analysis; D000937:Antigen-Antibody Reactions; D000941:Antigens; D001402:B-Lymphocytes / Q000276:immunology; D001666:Binding Sites, Antibody; D055598:Chemical Phenomena; D002621:Chemistry; D003165:Complement System Proteins / Q000096:biosynthesis; D006801:Humans; D007109:Immunity / Q000187:drug effects; D007073:Immunoglobulin E / Q000502:physiology; D007143:Immunoglobulin Heavy Chains; D007147:Immunoglobulin Light Chains; D008407:Mast Cells / Q000276:immunology; D013499:Surface Properties
chemical_list: D000906:Antibodies; D000941:Antigens; D007143:Immunoglobulin Heavy Chains; D007147:Immunoglobulin Light Chains; D007073:Immunoglobulin E; D003165:Complement System Proteins