To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video Movie S1. Representative tomogram of the synapse of a primary hippocampal neurons grown directly on the EM grids. Scale bar = 200 nm. Symmetrical arrangement of proteins under release-ready vesicles in presynaptic terminals Abhijith Radhakrishnan, Xia Li, Kirill Grushin, Shyam S. Krishnakumar, Jun Liu, and James E. Rothman PNAS. 2021. 118:None-None DOI: 10.1073/pnas.2024029118 Download Original Video Browse All Videos »