Large Blood Vessel (Red) (IMAGE) Weill Cornell Medicine Caption This is an image of a large blood vessel (red) in brain tissue treated with brain metastatic cell-derived exosomes (green), illustrating preferential uptake of tumor-derived exosomes by endothelial cells and surrounding perivascular cells in the brain microenvironment (blue). Credit Gonçalo Rodrigues and Dr. David Lyden 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.