Figure 4.
（A）The morphology of the hAMSCs in each group, scale bar = 200 μm, 100 μm, and 50 μm, respectively.（B）The proliferative curve of each group. hAMSCs = human amniotic mesenchymal stem cells.
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.