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Medical Term:

inferior orbital fissure


Definition: a gap or cleft between the greater wing of the sphenoid and the orbital plate of the maxilla, through which pass the maxillary nerve and the inferior ophthalmic vein or its communicating branches to the pterygoid venous plexus in the infratemporal fossa.

Synonym(s): fissura orbitalis inferiorTA, sphenomaxillary fissure

© Copyright 2016 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.