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.
Schematic lateral and medial views of the inferior longitudinal system (ILS), middle longitudinal system (MidLS), basal longitudinal system (BLS), mesial longitudinal system (MesLS), anterior transverse system (ATS) and posterior transverse system (PTS). A: anterior, P: posterior. See Figure 2 for details.
