Fibroblasts and Macrophages (IMAGE) Massachusetts Institute of Technology Caption The researchers were also able to use their system to grow supportive cells such as fibroblasts (green) and macrophages (orange) surrounding the pancreatic organoids. Credit Joanna Kelly and Christopher Below Usage Restrictions Credit must be given to the creator. No derivatives or adaptations of the work are permitted. License CC BY-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.