An official website of the United States government
Here's how you know
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.
Representative SEM images of elastic matrix produced by 21-day-old aHASMC cultures with (B) or without HA-o (A) and TGF-β factor supplementation (1000× magnification; scale bar=20 μm). White arrows indicate fibrillar elastic structures.