title: Evidence of functional microenvironments in lymphatic tissue response to antigen.
mesh_terms: D000367:Age Factors; D000375:Aging; D000818:Animals; D000917:Antibody Formation; D000941:Antigens / Q000008:administration & dosage; D004912:Erythrocytes / Q000276:immunology; D006386:Hemagglutination Tests; D006462:Hemolytic Plaque Technique; D007109:Immunity / Q000528:radiation effects; D051379:Mice; D011830:Radiation Effects; D013154:Spleen / Q000166:cytology / Q000276:immunology* / Q000528:radiation effects / Q000637:transplantation; D014184:Transplantation, Homologous
chemical_list: D000941:Antigens