transfection [trans-fek-shuh n] Word Origin noun Biotechnology.
- the insertion into a cell of a bacterial plasmid that contains a foreign virus or genetic material.
- the transfer into another cell of genetic material isolated from a cell or virus
transfection in Medicine transfection [trăns-fĕk′shən] n.
- Infection of a bacterium or cell with DNA or RNA isolated from a bacteriophage or from an animal or a plant virus, resulting in replication of the complete virus.