superior orbital fissure

(redirected from Fissura orbitalis superior)
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su·pe·ri·or or·bi·tal fis·sure

[TA]
a cleft between the greater and the lesser wings of the sphenoid establishing a channel of communication between the middle cranial fossa and the orbit, through which pass the oculomotor and trochlear nerves, the ophthalmic division of the trigeminal nerve, the abducens nerve, and the superior or combined ophthalmic veins.

superior orbital fissure

an elongated cleft between the small and great wings of the sphenoid bone, which transmits cranial nerves 3, 4, and 6 and the first division of cranial nerve 5 and the ophthalmic vein.

su·pe·ri·or or·bi·tal fis·sure

(sŭ-pēr'ē-ŏr ōr'bi-tăl fish'ŭr) [TA]
A cleft between the greater and lesser wings of the sphenoid establishing a channel of communication between the middle cranial fossa and the orbit, through which pass the oculomotor and trochlear nerves, the ophthalmic division of the trigeminal nerve, the abducens nerve, and the ophthalmic veins.