Confocal Micrograph (IMAGE) University of California - Santa Barbara Caption This is a whole mouse retina labeled to reveal the terminals of cone photoreceptors (in blue), and one of their post-synaptic partners, the horizontal cells (in red). The dendritic branches of the horizontal cells make fine contacts with each cone terminal. Credit Patrick Keele 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.