Mutant Neuromuscular Junctions (IMAGE) Society for Neuroscience Caption In mice expressing mutant Egr2, neuromuscular junctions remained fully occupied. Terminal sprouting of motor axons occurred, consistent with conduction block. Red, Acetylcholine receptors; green, motor axons. See the article by Baloh et al. for details. Credit J Neurosci. 2009 Feb 25;29(8):2312–2321. Usage Restrictions Permission is granted for reuse of this figure with citation for purposes of news coverage only. 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.