Activated Macrophage Isolated from Mouse Intestine (image) Institute for Research in Biomedicine (IRB Barcelona) Share Print E-Mail Caption Activated macrophage isolated from mouse intestine. In green: macrophage marker, in red: inflammation marker (iNOS), in blue: nucleus. Credit Author: Catrin Youssif, IRB Barcelona. Usage Restrictions None Share Print E-Mail 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.