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glossary:helper_t_cells [2012/10/16 14:40] (current)
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|+||(1) A subset of [[t cell|T cells]] that typically carry the T4 marker and are essential for turning on [[antibody]] production, activating [[cytotoxic T cells]], and initiating many other [[immune response]]s.|
|+||(2) A type of [[white blood cells|white blood cell]] that helps stimulate [[immune system]] reactions. Helper T cells help activate cytotoxic T cells and [[macrophage]]s by secreting [[cytokines]]. They also stimulate B cells to make antibodies. |