Definition: Cell lines developed from disaggregated BALB/c mouse embryos. They are extremely sensitive to CONTACT INHIBITION, and highly susceptible to transformation by SV40 VIRUS and murine sarcoma virus (SARCOMA VIRUSES, MURINE).
almost always NIM with no subheadings; check ANIMALS & MICE; do not routinely add FIBROBLASTS or EMBRYO, MAMMALIAN