orbital fissure

noun

: either of two openings transmitting nerves and blood vessels to or from the orbit:
a
: one situated superiorly between the greater wing and the lesser wing of the sphenoid bone

called also superior orbital fissure, supraorbital fissure

b
: one situated inferiorly between the greater wing of the sphenoid bone and the maxilla

called also inferior orbital fissure, infraorbital fissure, sphenomaxillary fissure

Dictionary Entries Near orbital fissure

Cite this Entry

“Orbital fissure.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/orbital%20fissure. Accessed 5 Nov. 2024.

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