Meaning of CD4 T CELL

WordNet Dictionary
	Definition:		[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
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	Synonyms:		CD4 cell, helper T cell
	See Also:		T cell, T lymphocyte