T-helper cell

T-helper cell definition - medical

T-helper cell

noun
Immune system cells that produce lymphokines that regulate the activities of other immune system cells, such as T cells, B cells, and monocytes, that are necessary for the differentiating of B cells into antibody-producing cells, and that often decrease in concentration following HIV infection.

The American Heritage® Medical Dictionary Copyright © 2009 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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