lymphopenia , failure to respond to concanavalin a and phytohemagglutinin lymphocyte stimulation testing , decreased concentrations of immunoglobulin ( ig ) m , iga , and igg , low r equi antibody titer , histologic depletion of lymphoid tissue , and a failure to respond to antigenic stimulation led to the conclusion that both humoral and cell-mediated immunity were compromised .
C0003320
antigenic
C0020966
cell-mediated immunity