Neuromuscular Junction (IMAGE) University at Buffalo Caption Image of a neuromuscular junction. University at Buffalo and Johns Hopkins researchers have shown in mice that glutamate plays a key role in the muscle fiber development process that occurs at the neuromuscular junction. Credit University at Buffalo 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.