Rod Bipolar Cells (IMAGE) Society for Neuroscience Caption Figure 3A) PKCα is a marker of rod bipolar cells and labels both the host (hPAP-, red) and donor (hPAP+, green) tissue. Donor bipolar cells (yellow) surround photoreceptor rosettes (white asterisks) and interact with photoreceptor terminals to form a putative outer plexiform layer. Credit Foik et al., JNeurosci (2018) 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.