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natural killer cell

noun

Definition of natural killer cell

  1. :  a large granular lymphocyte capable of killing a tumor or microbial cell without prior exposure to the target cell and without having it presented with or marked by a histocompatibility antigen —called also NK cell



1975

First Known Use of natural killer cell

1975


Medical Dictionary

natural killer cell

noun

Medical Definition of natural killer cell

  1. :  a large granular lymphocyte capable especially of destroying tumor cells or virally infected cells without prior exposure to the target cell and without having it presented with or marked by a histocompatibility antigen—called also NK cell




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