NCI Dictionary of Cancer Terms
The NCI Dictionary of Cancer Terms features 8,370 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.
- listen (AN-jee-oh-JEH-neh-sis)
Blood vessel formation. Tumor angiogenesis is the growth of new blood vessels that tumors need to grow. This process is caused by the release of chemicals by the tumor and by host cells near the tumor.