Eroglu Astrocytesynapse (IMAGE) Duke University Caption Astrocyte cells of the brain and spinal cord, shown in blue, help build new neuronal connections (yellow) by bridging three key proteins. Credit Jeff Stogsdill, Duke University Usage Restrictions None License Licensed content 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.