Astrocyte (IMAGE) Baylor College of Medicine Caption Astrocyte, the most abundant cell type in the brain. Credit Wikimedia Commons/Gerry Shaw Usage Restrictions Credit Wikimedia Commons/Gerry Shaw 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.