title: Questioning the role of the embryonic bursa in the molecular differentiation of B lymphocytes.
mesh_terms: D000818:Animals; D000916:Antibody Diversity; D001353:Avian Leukosis / Q000276:immunology; D001402:B-Lymphocytes / Q000502:physiology*; D002060:Bursa of Fabricius / Q000502:physiology*; D002454:Cell Differentiation; D002642:Chick Embryo; D002645:Chickens / Q000276:immunology*; D006412:Hematopoietic Stem Cells / Q000166:cytology; D007127:Immunoglobulin Constant Regions / Q000235:genetics; D007135:Immunoglobulin Variable Region / Q000235:genetics; D007146:Immunoglobulin lambda-Chains / Q000235:genetics*; D007148:Immunoglobulin mu-Chains / Q000235:genetics*; D009154:Mutation; D011995:Recombination, Genetic
chemical_list: D007127:Immunoglobulin Constant Regions; D007135:Immunoglobulin Variable Region; D007146:Immunoglobulin lambda-Chains; D007148:Immunoglobulin mu-Chains