optic canal in a sentence

• The optic canal, a boney tunnel leading to the brain, surrounds the most posterior part of this optic nerve segment.
• He also worked on some devices with radiologist John D . Camp on imaging technology, including techniques that would allow for visualization of the optic canal and hypoglossal canal.
• The small orbits taken into consideration with the relative size of the optic canal suggest that " Babakotia " had low visual acuity, which is typical for lemurs.
• The optic nerve lies just above and outside the cavernous sinus, superior and lateral to the pituitary gland on each side, and enters the orbital apex via the optic canal.
• The optic nerve component lengths are 1 mm in the globe, 24 mm in the orbit, 9 mm in the optic canal, and 16 mm in the cranial space before joining the optic chiasm.
• The optic canal contains the optic nerve ( cranial nerve II ) and the ophthalmic artery, and sits at the junction of the sphenoid sinus with the anterior and posterior ethmoidal foramen and zygomatic orbital foramen.
• They then enter the middle cranial fossa above foramen lacerum, travel through the cavernous sinus in the middle cranial fossa and then travel with the ophthalmic artery in the optic canal or on the ophthalmic nerve through the superior orbital fissure.
• Due to their larger size, the extinct subfossil lemurs have been compared to large-bodied orbits ( eye sockets ) and the relative size of their optic canal, which is comparable to that of other lemurs, not diurnal anthropoids.
• The optic nerve leaves the orbit ( eye socket ) via the optic canal, running postero-medially towards the optic chiasm, where there is a partial decussation ( crossing ) of fibres from the temporal visual fields ( the nasal hemi-retina ) of both eyes.
• Based on this anatomy, the optic nerve may be divided in the four parts as indicated in the image at the top of this section ( this view is from above as if you were looking into the orbit after the top of the skull had been removed ) : 1 . the optic head ( which is where it begins in the eyeball ( globe ) with fibers from the retina; 2 . orbital part ( which is the part within the orbit ) . 3 . intracanicular part ( which is the part within a bony canal known as the optic canal ); and, 4 . cranial part ( the part within the cranial cavity, which ends at the optic chiasm ).
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