NCI Dictionary of Cancer Terms
The NCI Dictionary of Cancer Terms features 7,800 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 (seh-KREET)
- To form and release a substance. In the body, cells secrete substances, such as sweat that cools the body or hormones that act in other parts of the body.