NCI Dictionary of Cancer Terms
The NCI Dictionary of Cancer Terms features 8,458 terms related to cancer and medicine.
We offer a widget that you can add to your website to let users look up cancer-related terms. Get NCI’s Dictionary of Cancer Terms Widget.
- control animal
- listen (kun-TROLE A-nih-mul)
- An animal in a study that does not receive the treatment being tested. Comparing the health of control animals with the health of treated animals allows researchers to evaluate the effects of a treatment more accurately.