Cell-Mediated Immunity Specialized lymphocytes,mostly T cells,respond to intracellular Ags After differentiating in the thymus,T cells migrate to lymphoid tissue T cells differentiate into effector T cells when stimulated by an Ag Some effector T cells become memory cells • Specialized lymphocytes, mostly T cells, respond to intracellular Ags • After differentiating in the thymus, T cells migrate to lymphoid tissue • T cells differentiate into effector T cells when stimulated by an Ag • Some effector T cells become memory cells Cell-Mediated Immunity