cytotoxic T cell(redirected from CD8 cytotoxic T lymphocyte)
Also found in: Dictionary, Thesaurus, Medical.
Related to CD8 cytotoxic T lymphocyte: cytotoxic T cell
cytotoxic T cell[¦sīd·ə‚täk·sik ′tē ‚sel]
A type of T cell which protects against pathogens that invade host cell cytoplasm, where they cannot be bound by antibodies, by recognizing and killing the host cell before the pathogens can proliferate and escape.