Lipoprotein in central nervous system (IMAGE) DOE/Pacific Northwest National Laboratory Caption A spherical lipoprotein article with proteins on the surface is visible in the lower part of the image in this artist’s rendition that includes neurons (light-green cells), synapses (connections highlighted in yellow), and microglia (in purple). Credit Image by Mike Perkins | Pacific Northwest National Laboratory Usage Restrictions Please use credit info 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.