lymph cell,
lymphocyte an agranulocytic leukocyte that normally makes up a quarter of the white blood cell count but increases in the presence of infection
cd4 cell,
cd4 t cell,
helper cell,
helper t cell 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