| A | B |
|---|
| CD4+ HELPER T-LYMPHOCYTES | B-CELL DIFFERENTIATION, MACROPHAGE ACTIVATION |
| CD8+ CYTOTOXIC T-LYMPHOCYTES | KILLING OF CELLS INFECTED WITH MICROBES, TUMOR CELLS |
| CD4+ HELPER T-LYMPHOCYTES | CLASS II MHC COMPLEXES |
| CD8+ CYTOTOXIC T-LYMPHOCYTES | CLASS I MHC COMPLEXES |
| REGULATORY T CELLS | ALPHA-BETA HETERODIMERS, supression of T-cell activity |
| gamma/& T-Lymphocytes | HELPER AND CYTOTOXIC FUNCTIONS IN INNATE IMMUNITY |
| B-LYMPHOCYTES | HUMORAL IMMUNITY (Fc RECEPTORS, CLASS II MHC, CD19; CD21) |
| NATURAL KILLER CELLS | KILLING OF INFECTED/DMGED CELLS; CD16; Fc receptor for IgG |
| Natural Killer T-cells | suppress or activate, innate or adaptive |
| Natural Killer T-cells | CD16; CD3; Fcrecpetor for IgG |
