Cytotoxic T-cells are just a specialized subset of T-cells that express CD8 (a co-stimulatory molecule). In general, there are two types of T-cells, helper T-cells that express CD4 and cytotoxic...
Cytotoxic T (or CD8) cells are activated in your lymph nodes by dendritic cells. Once activated they are sent out to the site of infection and they bind to the cells that express the MHC class I that...