Anatomy Bony Anatomy The bony orbit has a volume of approximately 30 cm 3. The tight adherence of the orbital septum to the arcus marginalis and the posterior bony confines of the orbit make the ...

In contrast, orbital cellulitis is an infection of the orbital tissues, such as fat and extraocular muscles, posterior to the orbital septum. Whereas preseptal cellulitis is typically mild and ...

The orbital septum (OS) arises from the arcus marginalis and terminates inferiorly as it attaches to the LA; it can be used as a vascularized turn-over flap to act as a spacer between the recessed ...