Cell Network in the Inner Retina (IMAGE) University of California - Berkeley Caption These are retinal ganglion cells (green) connecting with astrocytes (red) and blood cells (white) in the inner retina. Credit Photo by Jeremy Sivak/University of Toronto. Usage Restrictions Credit Jeremy Sivak/University of Toronto 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.