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Medical Dictionary

orbital fissure

noun

Medical Definition of orbital fissure

  1. :  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 fissureb:  one situated inferiorly between the greater wing of the sphenoid bone and the maxilla—called also inferior orbital fissure, infraorbital fissure, sphenomaxillary fissure




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