Glioma (image) Salk Institute Caption Tumorous glial cells, labeled in green, have overtaken most of an adult fly brain. Glial cell nuclei are shown in red. Credit Courtesy of Dr. Renee Read, Salk Institute for Biological Studies Usage Restrictions None Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.