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 stimulate B cells to make antibodies and help killer T cells work better. 2  Killer T cells (cytotoxic T cells) destroy cancer cells and cells containing foreign substances, such as bacteria or viruses. 3  Suppressor T cells make substances that help turn off the immune system response.