Neuroblasts (IMAGE) National Institutes of Natural Sciences Caption Neuroblasts (red) migrate toward a lesion through a meshwork of processes from a single astrocyte (blue), as shown by 3D electron microscopy. Credit @Kazunobu Sawamoto 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.