Microneedles (IMAGE) Toyohashi University of Technology (TUT) Caption This image shows flexible high-aspect-ratio microneedles penetrating brain tissue. Credit COPYRIGHT(C)TOYOHASHI UNIVERSITY OF TECHNOLOGY. ALL RIGHTS RESERVED 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.