title: Lymphoid differentiation: an ontogenetic perspective.
mesh_terms: D000818:Animals; D001402:B-Lymphocytes / Q000276:immunology; D002454:Cell Differentiation; D006412:Hematopoietic Stem Cells / Q000276:immunology; D006801:Humans; D008214:Lymphocytes / Q000276:immunology*; D051379:Mice; D011817:Rabbits; D011947:Receptors, Antigen, B-Cell; D013601:T-Lymphocytes / Q000276:immunology; D013997:Time Factors
chemical_list: D011947:Receptors, Antigen, B-Cell