详细信息:PMEF-NL are Neomycin resistant Primary Mouse Embryo Fibroblasts that have NOT been mitotically arrested. The cells are provided at passage 3 and can be further expanded for about 5-6 passages and frozen for later use. See ES Stem Cell Manual for complete culture and media for PMEF cells.EmbryoMax™ Primary Mouse Embryo Fibroblasts, Neo Resistant, Not Mytomycin C treated, Strain FVB, passage 3