Passport delays: applicants' long and frustrating wait. 1  Backlog caused by spike in applications has thrown many people's plans into chaos with some having to resort to desperate measures. 2  Backlog caused by spike in applications has thrown many people's plans into chaos with some having to resort to desperate measures.
Suppressor T cell. Definition. noun. A type of T cell that expresses CD8 transmembrane glycoprotein, and functions by inhibiting, suppressing, or helping to stop an immune response by releasing signals to other immune cells. Supplement. Examples of suppressor T cells are suppressor macrophages.
Source: naive CD4 T cells and TH1 cells; CD8 T cells produce and secrete low levels. Activites: stimulate growth and differentiation of T cells, B cells, and NK cells. Naive helper T cell proliferation and differentiation. Antigen-activated naive TH cells synthesize IL-2 and IL-2 receptors.