NCI Dictionary of Cancer Terms
The NCI Dictionary of Cancer Terms features 8,440 terms related to cancer and medicine.
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- listen (RA-puh-MY-sin)
- A drug used to keep the body from rejecting organ and bone marrow transplants. Rapamycin blocks certain white blood cells that can reject foreign tissues and organs. It also blocks a protein that is involved in cell division. It is a type of antibiotic, a type of immunosuppressant, and a type of serine/threonine kinase inhibitor. Rapamycin is now called sirolimus.