NCI Dictionary of Cancer Terms
The NCI Dictionary of Cancer Terms features 7,865 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.
- peripheral blood smear
- listen (peh-RIH-feh-rul blud smeer)
- A procedure in which a sample of blood is viewed under a microscope to count different circulating blood cells (red blood cells, white blood cells, platelets, etc.) and see whether the cells look normal.