title: Thymus--bursa relationship and aging: role of the spleen in humoral immunity [proceedings].
mesh_terms: D000373:Agglutinins / Q000032:analysis*; D000375:Aging; D000818:Animals; D001402:B-Lymphocytes / Q000166:cytology; D002060:Bursa of Fabricius / Q000502:physiology*; D002645:Chickens; D006386:Hemagglutination Tests; D013154:Spleen / Q000166:cytology / Q000276:immunology*; D013601:T-Lymphocytes / Q000166:cytology; D013950:Thymus Gland / Q000502:physiology*
chemical_list: D000373:Agglutinins