A doctor who specializes in diagnosing and treating brain tumors and other tumors of the nervous system.
nervous system (NER-vus SIS-tem)
The organized network of nerve tissue in the body. It includes the central nervous system (the brain and spinal cord), the peripheral nervous system (nerves that extend from the spinal cord to the rest of the body), and other nerve tissue.
Source: The National Cancer Institute's Dictionary of Cancer Terms (http://www.cancer.gov/dictionary)
