Orbit (anatomy)
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(Redirected from Orbital cavity)
| Orbit (anatomy) | |
|---|---|
| The skull from the front. | |
 | |
| Medial wall of left orbit. | |
| Gray's | subject #46 188 |
| MeSH | Orbit |
| Dorlands/Elsevier | o_05/12594914 |
In anatomy, the orbit is the cavity or socket of the skull in which the eye and its appendages are situated.
It can also mean the skin which surrounds the eye of a bird.
Contents |
[edit] Contents
- Extraocular muscles
- Nerves: cranial nerves II, III, IV, V, and VI
- Blood vessels
- Fat
[edit] Bones
In humans, seven bones make up the bony orbit:
[edit] Foramina and openings
- Optic foramen
- Superior orbital fissure
- Inferior orbital fissure
- Anterior ethmoid foramen
- Posterior ethmoidal foramen
- Infraorbital foramen
- Supraorbital foramen
- Naso-lacrimal canal opening
- Zygomatic orbital foramen
[edit] External links
- eMedicine oph/2 - "Arterial Supply, Orbit"
- SUNY Labs 29:os-0501
- Interactive tutorial at anatome.ncl.ac.uk
- Diagram at umich.edu
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fr:Orbite (anatomie) it:Cavità orbitaria nl:Orbita ja:眼窩 pl:Oczodół fi:Silmäkuoppa
