Immunohistochemical Staining (IMAGE) Neural Regeneration Research Caption Immunohistochemical staining reveals that primary cultured neurons extended axons and long dendrites and expressed microtubule-associated protein 2 (arrow). Credit Neural Regeneration Research 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.