title: Active suppressor mechanism maintaining tolerance to some self components.
mesh_terms: D000818:Animals; D000917:Antibody Formation; D000921:Antibody-Producing Cells / Q000276:immunology*; D000961:Antilymphocyte Serum; D003165:Complement System Proteins; D004912:Erythrocytes / Q000276:immunology; D004926:Escherichia coli / Q000276:immunology; D006168:Guinea Pigs / Q000276:immunology; D006462:Hemolytic Plaque Technique; D007108:Immune Tolerance; D008070:Lipopolysaccharides / Q000276:immunology; D051379:Mice; D008808:Mice, Inbred CBA; D011135:Polysaccharides, Bacterial; D011817:Rabbits / Q000276:immunology; D012756:Sheep / Q000276:immunology; D013601:T-Lymphocytes / Q000276:immunology
chemical_list: D000961:Antilymphocyte Serum; D008070:Lipopolysaccharides; D011135:Polysaccharides, Bacterial; D003165:Complement System Proteins