Figure 3.
(a,b) Examples of linear measurements taken with a digital caliper with a resolution of 0.1 mm [infraorbital foramen (IF), pyriform nasal aperture (PNA), infraorbital margin (IM)].
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.