plural effector cells
: a lymphocyte (such as a T cell) that has been induced to differentiate into a form (such as a cytotoxic T cell) capable of mounting a specific immune response
Natural killer cells are effector cells with spontaneous cytotoxicity for a variety of target cells including tumor cells.—Arthur Weiss et al.
… effector cells that kill invading pathogens or stimulate B cells to make antibody against foreign antigens …—Charles R. Mackay et al.
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