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Inferior orbital fissure



The lateral wall and the floor of the orbit are separated posteriorly by the inferior orbital fissure which transmits the maxillary nerve and its zygomatic branch, the infraorbital vessels, and the ascending branches from the sphenopalatine ganglion.

It is formed by the sphenoid bone and maxilla.

Images

Inferior orbital fissure
The skull from the front. (Label for inferior orbital fissure is at center right.)
1 Foramen ethmoidale, 2 Canalis opticus, 3 Fissura orbitalis superior, 4 Fossa sacci lacrimalis, 5 Sulcus infraorbitalis, 6 Fissura orbitalis inferior, 7 Foramen infraorbitale
Latin f. orbitalis inferior
Gray's subject #46 189
Dorlands/Elsevier f_08/12365602

See also

This article was originally based on an entry from a public domain edition of Gray's Anatomy. As such, some of the information contained herein may be outdated. Please edit the article if this is the case, and feel free to remove this notice when it is no longer relevant.

v • d • e
Foramina of the skull (and canals and fissures)
Foraminacecum - ethmoidal (anterior, posterior) - incisive - jugular - lacerum - magnum - mandibular - mastoid - mental - optic - orbital (infraorbital, supraorbital) - ovale - palatine (greater, lesser) - parietal - rotundum - sphenopalatine - spinosum - stylomastoid - zygomaticofacial - zygomaticotemporal
Canalscarotid - condylar - hypoglossal - incisive - pterygoid
Fissuresorbital (inferior, superior) - petrotympanic
otherexternal acoustic meatus - internal acoustic meatus - cribriform plate
v • d • e
Bones of head and neck: cranial sutures, fontanelles, and related regions
Cranial suturesCoronal - Lambdoid - Occipitomastoid - Sphenofrontal - Sphenoparietal - Sphenosquamosal - Sphenozygomatic -Squamosal - Zygomaticotemporal - Zygomaticofrontal - Frontal/Metopic - Sagittal - Frontoethmoidal - Petrosquamous - Sphenoethmoidal - Sphenopetrosal
FontanellesAnterior fontanelle - Posterior fontanelle
Foramina of multiple bonesInferior orbital fissure - Foramen lacerum - Jugular foramen - Nasolacrimal canal
FossaeAnterior cranial fossa - Middle cranial fossa - Posterior cranial fossa - Cranial cavity
Other compound structuresAsterion - Nasion - Pterion - Dacryon - Zygomatic arch - Calvaria - Temporal fossa - Infratemporal fossa - Stephanion - Pterygomaxillary fissure - Pterygopalatine fossa
 
This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Inferior_orbital_fissure". A list of authors is available in Wikipedia.
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