Medical Dictionary

orbital fissure

noun

Medical Definition of ORBITAL FISSURE

:  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
May 30, 2015
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