Retinal Organoid (IMAGE) Lowy Medical Research Institute Caption Cell death (green) is observed in cross-section of a retinal organoid exposed to deoxysphingolipids. Photoreceptors appear red in this image, cell nuclei appear blue. Credit (c) Lowy Medical Research Institute / Kevin Eade Usage Restrictions Photo may be used with credit given to Lowy Medical Research Institute. 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.