title: The still unsolved germinal centre mystery (invited lecture).
mesh_terms: D000818:Animals; D000917:Antibody Formation; D000936:Antigen-Antibody Complex; D001402:B-Lymphocytes / Q000276:immunology; D002645:Chickens; D003176:Complement C3; D007074:Immunoglobulin G / Q000096:biosynthesis; D007075:Immunoglobulin M / Q000096:biosynthesis; D007156:Immunologic Memory; D008198:Lymph Nodes / Q000033:anatomy & histology / Q000098:blood supply / Q000276:immunology*; D008213:Lymphocyte Activation; D051379:Mice; D012039:Regional Blood Flow; D013154:Spleen / Q000033:anatomy & histology / Q000276:immunology*; D013601:T-Lymphocytes / Q000276:immunology
chemical_list: D000936:Antigen-Antibody Complex; D003176:Complement C3; D007074:Immunoglobulin G; D007075:Immunoglobulin M