WebOptic neuritis is a condition that affects the eye and your vision. It occurs when the optic nerve is inflamed. ... Taking corticosteroids on a long-term basis can lead to side effects, such as high blood sugar, weight gain, and … WebThe posterior third or the apex of the orbit is made up by the sphenoid bone. All neurovascular structures pass through openings in this bone. The superior orbital fissure separates the greater wing of the sphenoid at the lateral side from the lesser wing on the medial side. The optic canal is located medially within the lesser wing of the ...
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WebUnpaired bones include: frontal, ethmoid, vomer, and occipital. Paired bones include: zygomatic, parietal, temporal, and palatine. Fissures, foramina, grooves and canals The sphenoid bone includes: optic canal superior orbital fissure foramen rotundum pterygoid canal foramen ovale foramen spinosum carotid groove sharecast petrofac
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WebAug 21, 2024 · Located in a central portion that runs along the midline, the body of the sphenoid bone rests between the wings and forms several important structures. The front-facing portion helps make up the nasal cavity, while its sides contribute to the formation of the optic canal, a tunnel that allows the optic nerve and ophthalmic artery to pass through. WebThe optic canal is located medially within the lesser wing of the sphenoid. All the extraocular muscles except for the inferior oblique arise from the annulus of Zinn, a common … WebAug 16, 2024 · The optic strut is a paired bony projection that joins the body of the sphenoid bone with the anterior clinoid process of the lesser wing of the sphenoid bone.It separates the optic canal superomedially from the superior orbital fissure inferolaterally 1.It also borders the anterior aspect of the clinoid segment of the internal carotid artery 1.. The … sharecast rio