Natural Killer Cell Definition

noun
A lymphocyte that is activated by double-stranded RNA or lymphokines and fights off viral infections and tumors without evident antigenic specificity.
American Heritage

(immunology) Any cell that expresses cell surface receptors that deliver signals to either activate or inhibit a response as part of the immune system.

Wiktionary

Other Word Forms of Natural Killer Cell

Noun

Singular:
natural killer cell
Plural:
natural killer cells

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