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.
(A,B) There is little air in the orbital soft tissue and buccal space. (C,D) Air in the masticatory muscle space and the parotid gland space was slightly reduced. (E–G) Air in the submandibular space and the submental space, the mediastinum was significantly reduced.
