T cell with CD4 receptor that acknowledges antigens on the surface of a virus-infected cellular and secretes lymphokines that stimulate B cells and killer T cells; helper T cells are contaminated and killed by the HELPS virus
A theory or system of social reform which contemplates a complete reconstruction of society with a more just and equitable distribution of property and labor In popular usage the term is often employed to indicate any lawless revolutionary social scheme See Communism Fourierism Saint Simonianism forms of socialism...
How would you define cd4 t cell?