Docked Vesicles (IMAGE) Institute of Science and Technology Austria Caption Docked vesicles at a cortical synapse, from brain slices prepared using the "flash and freeze" method. Credit Carolina Borges Merjane 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.