PNN Micrograph (image) University of Queensland Share Print E-Mail Caption Perineuronal nets (bright green) surround particular neurons (blue). Fluorescence labelling reveals just how detailed these structures are. Credit Phoebe Mayne, The University of Queensland 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.