NCI Dictionary of Cancer Terms
The NCI Dictionary of Cancer Terms features 7,846 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 substance used to treat certain disorders of the stomach and intestines, such as heartburn and ulcers. PPIs block the actions of an enzyme in the stomach and reduce the amount of acid made in the stomach. Also called proton pump inhibitor.