Nerve Bridge (IMAGE) University of Plymouth Caption The picture shows a mouse nerve bridge tissue section. The pink colour shows cells that express Robo1, the green colour shows Schwann cells. Credit University of Plymouth 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.