bioprinting skin and bones (IMAGE) Penn State Caption Schematic of the skin and bone bioprinting process. After scanning, the bone and then skin layers are bioprinted creating a layered repair with bone, a barrier layer, and dermis and epidermis. Credit Ozbolat laboratory, Penn State Usage Restrictions non commercial use only 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.