helper T cell

helper T cell also helper cell

n.

Any of the T cells that when stimulated by a specific antigen release lymphokines that promote the activation and function of B cells and killer T cells. Also called T-helper cell.

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helper T cell also helper cell  (hlpr)

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.

Thesaurus

Noun

1.

helper T cell - T cell with CD4 receptor that recognizes antigens on the surface of a virus-infected cell and secretes lymphokines that stimulate B cells and killer T cells; helper T cells are infected and killed by the AIDS virus CD4 cell, CD4 T cell, helper cell T cell, T lymphocyte - a small lymphocyte developed in the thymus; it orchestrates the immune system's response to infected or malignant cells