Figure 1From: Life and death as a T lymphocyte: from immune protection to HIV pathogenesisSchematic diagram of T cell dynamics in normal mice. The width of the arrows denotes the rate of death and division or of transit from one pool to another. Naïve T cells are T cells that have matured and left the thymus where they are generated, but have not yet encountered antigen. RTEs, recent thymic emigrants; Ag, antigen.Back to article page