Figure 2.
Morphology of the stem-cell spheroids at days 1, 3, 5 and 7. Scale bar, 200 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.