title: Replacement of serum by hormones permits growth of cells in a defined medium.
mesh_terms: D001769:Blood; D002455:Cell Division / Q000187:drug effects; D002460:Cell Line; D002478:Cells, Cultured / Q000187:drug effects; D003470:Culture Media; D006367:HeLa Cells / Q000187:drug effects; D006728:Hormones / Q000494:pharmacology; D010281:Parathyroid Hormone / Q000494:pharmacology; D013002:Somatomedins / Q000494:pharmacology; D013973:Thyrotropin-Releasing Hormone / Q000494:pharmacology; D014168:Transferrin / Q000494:pharmacology; D014284:Triiodothyronine / Q000494:pharmacology
chemical_list: D003470:Culture Media; D006728:Hormones; D010281:Parathyroid Hormone; D013002:Somatomedins; D014168:Transferrin; D014284:Triiodothyronine; D013973:Thyrotropin-Releasing Hormone