killer T cell

killer T cell

noun
a killer cell that destroys target cells only when specifically activated by helper T cells.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
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Killer T cell is always a great word to know.
So is quincunx. Does it mean:
an arrangement of five objects, as trees, in a square or rectangle, one at each corner and one in the middle.
the offspring of a zebra and a donkey.
American Heritage
Science Dictionary
killer T cell   (kĭl'ər)  Pronunciation Key 
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 © 2002. Published by Houghton Mifflin. All rights reserved.
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