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cd4 t cell

n.
1.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

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    Idiom of the Day

    more than one can bear/stand/take
    more trouble or other misfortune than one can endure
    The constant barking of the dog is more than I can bear and I cannot sleep.



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