NCI Dictionary of Cancer Terms
The NCI Dictionary of Cancer Terms features 7,777 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.
- complement protein
- listen (KOM-pleh-ment PROH-teen)
- One of a group of about 20 proteins that is found in the blood and is important in fighting infections and other diseases.