(IMAGE) Goethe University Frankfurt Caption The microscope image of a mouse brain illustrates the close interaction between neurons (green), astrocytes (blue), and blood vessels (red) in the brain. The various cell populations appear in a specific pattern and interact with the neighboring cells. Credit Acker-Palmer 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.