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helper cell

资料来源 : WordNet®

helper cell
     n : 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 [syn: {helper T
         cell}, {CD4 T cell}, {CD4 cell}]
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