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.
- A set of guidelines developed by U.S. and Canadian scientists to give information about the role of nutrients in human health. These guidelines include the Reference Daily Intakes (RDI), which are the recommended amounts of nutrients to be eaten each day to meet the needs of most healthy people. This system replaced the Recommended Dietary Allowances (RDA). Also called Dietary Reference Intakes.