NCI Dictionary of Cancer Terms
The NCI Dictionary of Cancer Terms features 8,091 terms related to cancer and medicine.
- listen (MAH-noh-site)
A type of immune cell that is made in the bone marrow and travels through the blood to tissues in the body where it becomes a macrophage. Macrophages surround and kill microorganisms, ingest foreign material, remove dead cells, and boost immune responses. A monocyte is a type of white blood cell and a type of phagocyte.