Cytomel
A drug that is used to treat certain thyroid (a gland located near the voice box) conditions. It is also being studied in the treatment of thyroid cancer. Cytomel is made in the laboratory and is a form of the thyroid hormone triiodthyronine (T3). Also called liothyronine sodium and Triostat.
cytopenia
A condition in which there is a lower-than-normal number of blood cells.
cytoplasm
The fluid inside a cell but outside the cell's nucleus. Most chemical reactions in a cell take place in the cytoplasm.
cytosine
A chemical compound that is used to make one of the building blocks of DNA and RNA. It is a type of pyrimidine.
cytostatic agent
A substance that slows or stops the growth of cells, including cancer cells, without killing them. These agents may cause tumors to stop growing and spreading without causing them to shrink in size.
cytotoxic agent
A substance that kills cells, including cancer cells. These agents may stop cancer cells from dividing and growing and may cause tumors to shrink in size.
cytotoxic chemotherapy
Anticancer drugs that kill cells, especially cancer cells.
cytotoxic T cell
A type of immune cell that can kill certain cells, including foreign cells, cancer cells, and cells infected with a virus. Cytotoxic T cells can be separated from other blood cells, grown in the laboratory, and then given to a patient to kill cancer cells. A cytotoxic T cell is a type of white blood cell and a type of lymphocyte. Also called cytotoxic T lymphocyte and killer T cell.
cytotoxic T lymphocyte
A type of immune cell that can kill certain cells, including foreign cells, cancer cells, and cells infected with a virus. Cytotoxic T lymphocytes can be separated from other blood cells, grown in the laboratory, and then given to a patient to kill cancer cells. A cytotoxic T lymphocyte is a type of white blood cell and a type of lymphocyte. Also called cytotoxic T cell and killer T cell.
