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 photomicrographs of c-Fos expression in the spinal cord. c-Fos was not detected in the superficial layers of the dorsal horn following saline injection (a)–(c) and after EA (2 Hz) application at the LI4 and LI11 acupoints (d)–(f). (a)–(c) represent one spinal section, with increasing magnification, while (d)–(f) are from another spinal section, with increasing magnification.
