Bioprinting instrumentation (IMAGE) Penn State Caption The development of bioprinted models could open the door to entirely new ways of understanding the tumor microenvironment and the body’s immune response. Credit Patrick Mansell/Penn State Usage Restrictions Credit must be given to the creator. Only noncommercial uses of the work are permitted. No derivatives or adaptations of the work are permitted. License CC BY-NC-ND 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.