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.
Anterior and posterior cortex mean values. Anterior cortex version was characterized by a slight decrease from level F to level E, while there was no statistically significant difference between E level and D level. Posterior cortex showed a progressive increase in anteversion from level F to level D
