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Inferior orbital fissure

Gap between bones of the human eye socket

Gap between bones of the human eye socket

FieldValue
NameInferior orbital fissure
Latinfissura orbitalis inferior
ImageFissuraorbitalisinferior.PNG
CaptionThe skull from the front. (Label for inferior orbital fissure is at center right.)
Image2Orbita mensch.jpg
Caption21 Foramen ethmoidale, 2 Canalis opticus, 3 Fissura orbitalis superior, 4 Fossa sacci lacrimalis, 5 Sulcus infraorbitalis, 6 Fissura orbitalis inferior, 7 Foramen infraorbitale

The inferior orbital fissure is a gap between the greater wing of sphenoid bone, and the maxilla. It connects the orbit (anteriorly) with the infratemporal fossa and pterygopalatine fossa (posteriorly).****

Anatomy

The medial end of the inferior orbital fissure diverges laterally from the medial end of the superior orbital fissure. It is situated between the lateral wall of the orbit and the floor of the orbit.****

Contents

The fissure gives passage to multiple structures, including:

  • Infraorbital nerve,**** artery**** and vein
  • Inferior ophthalmic vein****
  • Zygomatic nerve****
  • Orbital branches of the pharyngeal nerve****
  • Maxillary nerve

Additional images

File:Gray189.png|Left infratemporal fossa. File:Gray191.png|Horizontal section of nasal and orbital cavities. File:Gray787.png|Dissection showing origins of right ocular muscles, and nerves entering by the superior orbital fissure. File:Slide2rome.JPG|Inferior orbital fissure.

References

References

  1. Sinnatamby, Chummy S.. (2011). "Last's Anatomy".
Info: Wikipedia Source

This article was imported from Wikipedia and is available under the Creative Commons Attribution-ShareAlike 4.0 License. Content has been adapted to SurfDoc format. Original contributors can be found on the article history page.

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