Figure 3.
The measurement of the angle between the left posterior semicircular canal plane (Ppc) and the mid-sagittal plane (Psag). The red line shows the mid-sagittal line. The blue line shows the direction of the Ppc
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.