Drosophila larval spinal cord. (IMAGE) University of Chicago Medical Center Caption All motor neurons and interneurons in the larval spinal cord are labeled with horse radish peroxidase (magenta). The subset of motor neurons used in this study is labeled with a transgenic reporter (green). Credit Robert Carrillo, PhD, and Yupu Wang Usage Restrictions May be used for reporting on this story 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.