NCI Dictionary of Cancer Terms
The NCI Dictionary of Cancer Terms features 7,798 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.
- venous sampling
- listen (VEE-nus...)
- A procedure in which a sample of blood is taken from a certain vein and checked for specific substances released by nearby organs and tissues. A higher than normal amount of a substance can be a sign of disease in the organ or tissue that makes it.