Lymphocytes attack intracellular pathogens (viral-infected cells and
parasite-infected cells) or diseased host cells (cancer cells and foreign
tissue graft cells).
Employs T Lymphocytes
(made in bone marrow; mature in thymus)
which either become memory cells or become Helper T cells,
Cytotoxic T cells, Memory T cells, and
Suppressor T Cells (among others).
Attack and Lyse “Foreign” Cells.
cellular (cell mediated) immunity