title: Adherent layer-dependent development of B cell progenitors in semisolid agar.
mesh_terms: D000362:Agar; D000818:Animals; D001402:B-Lymphocytes / Q000166:cytology* / Q000276:immunology; D002448:Cell Adhesion; D002455:Cell Division; D003470:Culture Media; D046508:Culture Techniques / Q000379:methods; D004622:Embryo, Mammalian; D008099:Liver / Q000166:cytology / Q000196:embryology; D051379:Mice
chemical_list: D003470:Culture Media; D000362:Agar