P19 Neurons (IMAGE) Umea University Caption This is a fluorescence microscopy image of neurons derived from mouse embryonal carcinoma P19 cells. Credit Dina Popova Usage Restrictions Dina Popova 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.