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A cell that is cytotoxic especially against tumor cells, produced in vitro by cultivating lymphocytes with the lymphokine interleukin-2. LAK cells have been used as an experimental cancer treatment.
[l(ymphokine-)a(ctivated) k(iller cell).]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.