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.
Localization of the foramen for the third sacral nerve under X-ray guidance. The vertical red line represents the posterior median line, the horizontal line represents the horizontal line of the sacral trigeminal foramen, and the 2 elliptical red dots on the horizontal line represent the specific position of the sacral trigeminal foramen. The position of the sacral trigeminal foramen was basically the same as the level of the sciatic notch.
