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The state of being cytotoxic or the quality of being toxic to cell.


Lymphocyte-mediated cytotoxicity is an example of cytotoxicity in organisms. For instance, T lymphocytes (the cytotoxic type) cause lysis of cells with their synthesis of cytolytic proteins (e.g. perforin).

Word origin: cyto- (cell) + toxicity

Related forms: cytotoxic (adjective)

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