Amacrine Cell in the Retina (IMAGE) WashU Medicine Caption Using a labeling agent, researchers at Washington University School of Medicine in St. Louis have been able to isolate and visualize a specific type of retinal cell (in red) in the eye that's key to detecting motion. Credit Courtsy of Kerschensteiner lab-Washington 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.