Microglia Wrapping (IMAGE) Boston Children's Hospital Caption In the brain, a synapse (orange) is seen being wrapped around and attacked by immune cells called microglia (green), leading to synapse loss. Credit Boston Children's Hospital 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.