Figure 3. (IMAGE) Kanazawa University Caption Boundary defect found in Netrin mutant brain. In the control brain (left), the IPC (magenta) and OPC (blue) are clearly separated by a sharp boundary. In the Netrin mutant brain (right), the IPC cells penetrate inside the OPC disrupting the OPC-IPC boundary (arrows). Credit Kanazawa University Usage Restrictions The image may only be used with appropriate caption and credit. 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.