natural killer cell

initialism: NK
synonym: NK cell
https://doi.org/10.1351/goldbook.13499
Large granular lymphocyte which does not rearrange nor express either immunoglobulin or T-cell receptor (TCR) genes but is able to recognize and destroy certain tumor and virally infected cells in a major histocompatibility complex (MHC) molecule- and antibody-independent manner.
Source:
PAC, 2012, 84, 1113. (IUPAC glossary of terms used in immunotoxicology (IUPAC Recommendations 2012)) on page 1219 [Terms] [Paper]