Amyloid Beta Plaques (IMAGE) University of Southampton Caption Amyloid beta plaques (in green) surrounded by macrophages carrying a receptor for antibodies (in red). Credit University of Southampton 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.