Health / Medical Topics |
Helper-Inducer T-Lymphocyte
Definition 1
A subpopulation of CD4+ lymphocytes that cooperate with other lymphocytes (either T or B) to initiate a variety of immune functions. (NLM, Medical Subject Headings)
Definition 2
A type of white blood cell that helps stimulate immune system reactions. Helper T cells help activate cytotoxic T cells and macrophages by secreting cytokines. They also stimulate B cells to make antibodies. (NCI Dictionary)
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