T-cell

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T-cell n. a type of lymphocyte that matures in the thymus and is primarily responsible for cell-mediated immunity. cytotoxic T-c. a T-cell that destroys cancerous cells, virus-infected cells, and allografts. helper T-c. a T-cell that stimulates the production of cytotoxic T-cells. suppressor T-c. a T-cell that prevents an immune response by other T-cells or B-cells to an antigen.

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