NCI Dictionary of Cancer Terms
The NCI Dictionary of Cancer Terms features 8,359 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.
- tumor microenvironment
- listen (TOO-mer MY-kroh-en-VY-run-ment)
The normal cells, molecules, and blood vessels that surround and feed a tumor cell. A tumor can change its microenvironment, and the microenvironment can affect how a tumor grows and spreads.