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.
1 Helper T cells direct the immune system. 2  In a rather lengthy process, helper T cells release cytokines. 3  Cytokines stimulate B cells to form plasma cells. 4  Plasma cells form antibodies, which stimulate the production of two other types of T cells: cytotoxic T cells and suppressor T cells.