helper T cell


noun Immunology.

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 Unabridged Dictionary, © Random House, Inc. 2019

Science definitions for helper t cell

helper T cell


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 © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.