Glia (IMAGE) Cold Spring Harbor Laboratory Caption Protoplasmic astrocyte (red) of the adult rat hippocampus filled with the fluorescent dye Lucifer yellow and imaged by confocal microscopy. Credit Image courtesy of Eric Bushong and Mark Ellisman, University of California, San Diego, La Jolla, California. 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.