How a cell infected by a virus signals cytotoxic T lymphocytes to kill the cell before the virus replicates and spreads. In the body's immune system, macrophages, dendritic cells and other cell types capture antigens and then enable their recognition by T-cells. This process is called as antigen presentation.
Channels: Cell Biology
Tags: Antigen presentation CTL
Uploaded by: admin ( Send Message ) on 12-04-2012.
Duration: 2m 34s