Cross-Section of a Brain Organoid (IMAGE) NASA/Johnson Space Center Caption A cross-section of a brain organoid using immunofluorescence to show ventricles (inside) and a cortical plate (outside). Credit Muotri Lab/UC San Diego 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.