Growth of Motoneurons (IMAGE) Charité - Universitätsmedizin Berlin Caption This image shows the tormal growth of motoneurons out of the spinal cord (green), building synapses (yellow) with corresponding muscles (red). Right: After inactivating ASC-1 fewer nerve fibers are present and motoneurons do not find the correct path to their muscle. Credit Copyright: Charité - Universitätsmedizin Berlin 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.