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.
One of the important functions of cell mediated response is rejecting foreign grafts, eliminating tumor cells and cells affected by virus. The cytotoxic T-lymphocytes or CTLs, NK-cells and K-cells are the effector cells in this process and have the capacity to identify the target by various means.