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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 |
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| The skull from the front. (Label for inferior orbital fissure is at center right.) |
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| 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 As such, some of the information contained herein may be outdated.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.
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Foramina of the skull (and canals and fissures) |
| Foramina |
cecum - 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 |
| Canals |
carotid - condylar - hypoglossal - incisive - pterygoid |
| Fissures |
orbital (inferior, superior) - petrotympanic |
| other |
external acoustic meatus - internal acoustic meatus - cribriform plate |
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Bones of head and neck: cranial sutures, fontanelles, and related regions |
| Cranial sutures |
Coronal - Lambdoid - Occipitomastoid - Sphenofrontal - Sphenoparietal - Sphenosquamosal - Sphenozygomatic -Squamosal - Zygomaticotemporal - Zygomaticofrontal - Frontal/Metopic - Sagittal - Frontoethmoidal - Petrosquamous - Sphenoethmoidal - Sphenopetrosal |
| Fontanelles |
Anterior fontanelle - Posterior fontanelle |
| Foramina of multiple bones |
Inferior orbital fissure - Foramen lacerum - Jugular foramen - Nasolacrimal canal |
| Fossae |
Anterior cranial fossa - Middle cranial fossa - Posterior cranial fossa - Cranial cavity |
| Other compound structures |
Asterion - Nasion - Pterion - Dacryon - Zygomatic arch - Calvaria - Temporal fossa - Infratemporal fossa - Stephanion - Pterygomaxillary fissure - Pterygopalatine fossa |
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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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