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natural killer cell

American  

noun

Immunology.
  1. a small killer cell that destroys virus-infected cells or tumor cells without activation by an immune system cell or antibody.


Example Sentences

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Along with the engineered receptor targeting NY-ESO-1, the cells carry natural killer cell receptors that can recognize stress signals displayed by many tumor cells.

From Science Daily ● Sep. 11, 2026

"These two tissue-resident natural killer cell populations look very similar, and they have some of the same requirements, but their function seems to be on opposite ends of the spectrum," Sunwoo said.

From Science Daily ● Aug. 25, 2026

Partners who showed no sign of infection were more likely to have a robust natural killer cell response, which could result in a stronger defense against infection.

From New York Times ● Mar. 8, 2022

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