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.
The arrows demonstrate the thickness of scar tissue of nerve fiber bundles 8 weeks after surgery. A, A rat treated with NGF shows a very thick band of scar tissue surrounding fiber bundles. B, A rat treated with EPO shows very thin bands of scar tissue surrounding fiber bundles (hematoxylin-eosin stain, original magnification ×100).
