Culturing Cells in 3-D (IMAGE) Brown University Caption At left is a new 3-D petri dish developed by Brown University biomedical engineers. At right are the "microtissues," or cell clusters, that the dish produces for transplantation or drug development. Credit Anthony Napolitano & Peter Chai/Brown University Usage Restrictions Must use photo credit information. 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.