NCI Dictionary of Cancer Terms
The NCI Dictionary of Cancer Terms features 7,856 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 (IN-truh-VEE-nus)
- Into or within a vein. Intravenous usually refers to a way of giving a drug or other substance through a needle or tube inserted into a vein. Also called IV.