Anatomy of Orbit, Special Anatomical Characteristics of The Orbit:
Each eyeball is situated in a bony cavity known as the orbit. It is protected by eyelids and soft tissues. In the orbit, it is suspended by extraocular muscles and their facial sheaths.
Special anatomical characteristics of the orbits
Roof of orbit
- Lesser wing of sphenoid bone
- Orbital plate of frontal bone
Lateral wall of orbit
- Zygomatic process
- Greater wing of sphenoid bone
- Orbital surface of gomatic bone
Inferior orbital fissure
Superior orbital fissure
- Sphenoid body
- Orbital plate of ethmoid bone
- Frontal process of maxilla
- Lacrimal bone
Floor of orbit
- Orbital process of palatine bone
- Orbital surface of maxillary bone
- Zygomatic bone
Most orbital disease encountered by the ophthalmologist in general practice is inflammatory in nature. The most common inflammatory diseases of the orbit include infectious orbital cellulitides, noninfectious idiopathic orbital inflammation (inflammatory orbital pseudotumor), and Graves disease or thyroid orbitopathy.
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