Microphysiological system (IMAGE) Helmholtz-Zentrum Dresden-Rossendorf Caption Radiopharmaceuticals enter the picture when chemotherapy, surgery or radiation have proven ineffective against a tumor. Microphysiological systems emulate the micro environment of the body and are an easy to use platform for the cultivation of 3D tumor models. Credit Amac Garbe//Fraunhofer IWS Usage Restrictions None License Original 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.