cytotoxic t cell

activation antibody antigen bacteria blood cancer care cell cells circulatory cytokines cytotoxic destruction diagram disease germs health healthcare helper human humoral illustration immune immunity immunolgy immunology infected infection inflammation inflammatory killer leukemia leukocyte lymphoblastic lymphocyte lymphocytes lysis macrophage medical medicine memory mhc natural pathogens phagocyte phagocytosis plasma presenting receptor replication research response science system virus viruse white