NCI Dictionary of Cancer Terms
The NCI Dictionary of Cancer Terms features 7,800 terms related to cancer and medicine.
Browse the dictionary by selecting a letter of the alphabet or by entering a cancer-related word or phrase in the search box.
- listen (trayl)
- A cell protein that can attach to certain molecules in some cancer cells and may kill the cells. TRAIL is being studied in the treatment of cancer. Also called Apo-2L, TNF-related apoptosis-inducing ligand, and tumor necrosis factor-related apoptosis-inducing ligand.