NCI Dictionary of Cancer Terms
The NCI Dictionary of Cancer Terms features 7,847 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.
- healthy control
- listen (HEL-thee kun-TROLE)
- In a clinical study, a person who does not have the disorder or disease being studied. Results from healthy controls are compared to results from the group being studied.