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.
MR angiography of the orbital and skull base vessels reconstructed with volume rendering. The cup-shaped ophthalmic sinuses (OS) enclosing the Harderian glands (not shown) are seen from the dorsal side of the piglet head. CS: cavernous sinus surrounding the rete mirabile.
