Crossing Blood-Brain Barrier in Mouse (VIDEO) University of Maryland School of Medicine This video is under embargo. Please login to access this video. Caption Researchers precisely open the blood-brain barrier in mice to allow an imaging contrast agent to pass through. Credit Piotr Walczak and Miroslaw Janowski Usage Restrictions Please credit 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.