title: Differentiation of B cells: sequential appearance of responsiveness to polyclonal activators.
mesh_terms: D000818:Animals; D000917:Antibody Formation / Q000187:drug effects*; D001402:B-Lymphocytes / Q000187:drug effects* / Q000276:immunology; D002454:Cell Differentiation / Q000187:drug effects; D002455:Cell Division / Q000187:drug effects; D002478:Cells, Cultured; D003470:Culture Media; D004247:DNA / Q000096:biosynthesis; D003911:Dextrans / Q000494:pharmacology*; D005455:Fluorescent Antibody Technique; D007111:Immunity, Cellular / Q000187:drug effects; D008070:Lipopolysaccharides / Q000494:pharmacology*; D008099:Liver / Q000276:immunology; D008213:Lymphocyte Activation / Q000187:drug effects; D008297:Male; D051379:Mice; D008934:Mitogens / Q000494:pharmacology; D013154:Spleen / Q000276:immunology; D013268:Stimulation, Chemical; D013431:Sulfates / Q000494:pharmacology; D014316:Tritium; D014373:Tuberculin / Q000494:pharmacology*
chemical_list: D003470:Culture Media; D003911:Dextrans; D008070:Lipopolysaccharides; D008934:Mitogens; D013431:Sulfates; D014373:Tuberculin; D014316:Tritium; D004247:DNA