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helper T cell

noun, Immunology
1.
a T cell that stimulates B cells to produce antibody against a foreign substance, using lymphokines or direct contact as a signal.
Also called T helper cell.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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helper T cell in Science
helper T cell also helper cell
  (hěl'pər)   
Any of various T cells that, when stimulated by a specific antigen, release lymphokines that promote the activation and function of B cells and killer T cells.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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