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killer T cell

noun

a killer cell that destroys target cells only when specifically activated by helper T cells.
Compare natural killer cell.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
killer t cell in Science

killer T cell

[kĭl′ər]

A large differentiated T cell that functions in cell-mediated immunity by attacking and lysing target cells that have specific surface antigens. Also called cytotoxic T cell killer cell
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.