Movie S2.
Download video file (804.6KB, mov)
Zoom-in of Video 1. Movie set to play 10 fps, and scale bar set at 2 μm.
Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.