title: Lymphocytopoiesis, lymphocytes and stem cells.
mesh_terms: D000818:Animals; D001402:B-Lymphocytes; D002454:Cell Differentiation; D002455:Cell Division; D002462:Cell Membrane / Q000276:immunology; D006410:Hematopoiesis; D006412:Hematopoietic Stem Cells; D006801:Humans; D007448:Invertebrates; D008213:Lymphocyte Activation; D008214:Lymphocytes / Q000276:immunology; D013601:T-Lymphocytes; D014714:Vertebrates