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 polarized light microscopy images of picrosirius red-stained Achilles tendon sections from all four genotypes at 4 and 12 weeks of age. White arrows denote areas of un-organized collagen, while black arrows denote densely packed fibers.
