A Glimpse through the Laser Microscope (IMAGE) Technical University of Munich (TUM) Caption Green indicates the presence of inflammatory messenger substances (chemokines) in the bowel tissue. Credit Dirk Haller / TUM Usage Restrictions None 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.