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.
Eccentric rotation in a system with a large number of cells. Coherent rotations are still observed; however, the rotation center is dynamic. (a) The rotation center moves throughout the cluster over time. (b) Trajectories of two representative cells. The rotation shows higher order structure, representative of additional modes in this system. To see this figure in color, go online.
