Killer Cells, Natural

Medical Dictionary -> Killer Cells, Natural

Killer Cells, Natural


Cells responsible for spontaneous cytotoxicity of a variety of tumor cells without prior immunization. These natural killer cells are found in non-immune humans and experimental animals and are thought by some to be the same as KILLER CELLS (killing by antibody-dependent cell cytotoxicity), but they can also kill in the absence of antibody.


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