Fluorescence Image (IMAGE) Georgia Institute of Technology Research News Caption Fluorescence micrograph of a ganglion on a 70 percent acetylcholine polymer that shows neurites expressing an established neuronal marker called synaptophysin. The bright red spots on the neurites indicate the presence of synaptic vesicle proteins, which are required for functional restoration after nerve injury. Credit Image courtesy of Christiane Gumera 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.