helper cell

[hĕlpər]

n.

A T cell that promotes the activation and functions of B cells and other T cells.helper T cell

The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

helper cell in Science

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.