Fig. 1.
Illustration of inflammation stimulating a conversion of the opioid receptor system from a state of incompetence to that of competence for activation on a peripheral nerve ending. βArr2, β-arrestin 2.
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.