Figure 7. Mean circularity 
as a function of time for 2D sections of 3D simulations of tumor growth.
(a) 
, (b) 
, (c) 
, and (d) 
.
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.