Definitions for "T cells"
cells that either initiate the immune response (helper T cells) or actively target and destroy cells perceived as foreign (killer T cells).
One of the two major lymphocyte classes that mediate the immune process.
Circulate between blood and lymph. Three subpopulations: helper, killer and supressor. These cells are important in the bodies cellular immune response. When the T-cells enter the circulation they are the small and medium size lymphocytes: they may survive up to five years. T-cells are lymphocytes that have circulated through the thymus gland. When exposed to an antigen, they divide rapidly and produce large numbers of new T cells sensitized to that antigen.
Keywords:  count, definition, see
the same as CD4 count; please see definition for CD4 count
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See CD4+T. For more information, please click here.