NCI Dictionary of Cancer Terms

The NCI Dictionary of Cancer Terms features 8,398 terms related to cancer and medicine.

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suppressor T cell
(suh-PREH-ser T sel)
A type of immune cell that blocks the actions of some other types of lymphocytes, to keep the immune system from becoming over-active. Suppressor T cells are being studied in the treatment of cancer. A suppressor T cell is a type of white blood cell and a type of lymphocyte. Also called regulatory T cell, T reg, and T-regulatory cell.