National Cancer Institute National Cancer Institute
U.S. National Institutes of Health National Cancer Institute
Dictionary of Cancer Terms
Send to Printer
tumor microenvironment (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.

Previous Definitions:tumor debulking, tumor infiltrating lymphocyte, tumor initiation, tumor load, tumor marker
Next Definitions:tumor model, tumor necrosis factor, tumor promotion, tumor suppressor gene, tumor vasculature–targeted tumor necrosis factor alpha