cytotoxic T cell

(redirected from Cd8-positive t-lymphocytes)
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cytotoxic T cell

killer T cell


n.
a killer cell that destroys target cells only when specifically activated by helper T cells.
Compare natural killer cell.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.cytotoxic T cell - T cell with CD8 receptor that recognizes antigens on the surface of a virus-infected cell and binds to the infected cell and kill it
T cell, T lymphocyte - a small lymphocyte developed in the thymus; it orchestrates the immune system's response to infected or malignant cells