Microglia in a mouse brain (IMAGE) The Company of Biologists Caption A section of a mouse juvenile brain (cerebral cortex) showing cell nuclei (blue), microglia (red) and the activation of a specific gene called Hes1 (white). Credit Ostrem et al., 2024 Usage Restrictions Please cite Ostrem et al., (2024) Development. License Original 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.