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.
T cells function both through the release of substances into the blood, and by signalling B cells through contact. 1  They have several different roles: 2  Signalling for growth and activation of B cells. 3  Activation of cells that can âeatâ foreign substances. 4  Stimulation of cytotoxic T cells during a viral infection.