cytotoxic T cell

noun

Definition of cytotoxic T cell

: killer t cell

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cytotechnologist

cytotoxic T cell

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The first known use of cytotoxic T cell was in 1972

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cytotoxic T cell

noun

Medical Definition of cytotoxic T cell

: a T cell that usually bears CD8 molecular markers on its surface and that functions in cell-mediated immunity by destroying a cell (as a virus-infected cell) having a specific antigenic molecule on its surface

— called also CTL, cytolytic T cell, cytolytic T lymphocyte, killer T cell, killer T lymphocyte

— compare helper t cell, suppressor t cell

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