title: Antigen recognition mechanisms.
mesh_terms: D000818:Animals; D000937:Antigen-Antibody Reactions; D001402:B-Lymphocytes / Q000276:immunology; D001666:Binding Sites, Antibody; D002462:Cell Membrane / Q000276:immunology; D003165:Complement System Proteins; D000939:Epitopes; D004912:Erythrocytes / Q000276:immunology; D007104:Immune Adherence Reaction; D007106:Immune Sera; D007136:Immunoglobulins; D008024:Ligands; D008214:Lymphocytes / Q000276:immunology; D051379:Mice; D009000:Monocytes / Q000276:immunology; D013601:T-Lymphocytes / Q000276:immunology
chemical_list: D000939:Epitopes; D007106:Immune Sera; D007136:Immunoglobulins; D008024:Ligands; D003165:Complement System Proteins