Microglia Cell Entering Perineuronal Net (VIDEO) Institute of Science and Technology Austria This video is under embargo. Please login to access this video. Caption A microglia cell (green) digging a hole in the perineuronal net (magenta). This behavior was not observed in control conditions without ketamine. Credit IST Austria Usage Restrictions IST Austria 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.