title: Maturity of precursor cells for germinal centers.
mesh_terms: D000818:Animals; D000888:Antibodies, Anti-Idiotypic; D001402:B-Lymphocytes / Q000166:cytology* / Q000276:immunology; D002454:Cell Differentiation; D002645:Chickens; D006412:Hematopoietic Stem Cells / Q000166:cytology* / Q000276:immunology; D007126:Immunoglobulin Allotypes; D007072:Immunoglobulin D / Q000276:immunology; D008198:Lymph Nodes / Q000166:cytology / Q000276:immunology; D008221:Lymphoid Tissue / Q000166:cytology* / Q000276:immunology; D051379:Mice; D008807:Mice, Inbred BALB C; D011817:Rabbits
chemical_list: D000888:Antibodies, Anti-Idiotypic; D007126:Immunoglobulin Allotypes; D007072:Immunoglobulin D