RNA Editing at the NMJ (IMAGE) University of Pennsylvania School of Medicine Caption This is a schematic of a neuromuscular junction (NMJ). Credit Balpreet Bhogal, Perelman School of Medicine, University of Pennsylvania 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.