ly defined media : Eagle's Basal Medium(1955) - EMEM(1959): supply serum - various media e.g ... ) lymphoblastoid cell line - RPMI1640 Leibovitz L15 not need for adding CO2 NaHCO3 - mixing media e.g) Ham's ... F12(1965) : AA , vitamin higher DMEM : useful, all-purpose * Serum : complexity cost so, using when