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January 24, 2014
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Brain cancers hide behind a protective barrier in the brain and attack white blood cells.
Brain cancers involve uncontrolled cell growth that forms tumors in blood vessels, cranial nerves, lymphatic tissue and other parts of the brain. They also hide behind the blood-brain barrier--a protective network of blood vessels and cells that filters foreign substances--including anticancer drugs--from easily flowing to the brain.
Credit: NSF
Images credited to the National Science Foundation, a federal agency, are in the public domain. The images were created by employees of the United States Government as part of their official duties or prepared by contractors as "works for hire" for NSF. You may freely use NSF-credited images and, at your discretion, credit NSF with a "Courtesy: National Science Foundation" notation.
Additional information about general usage can be found in Conditions.
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