Mnemonic for the contents of the inferior orbital fissure (from medial to lateral) is:
Inferior Orbit Gets Infra-Orbital Nerves and VeinZ
Mnemonic
Inferior Orbit Gets Infra-Orbital Nerves and VeinZ
IO: inferior ophthalmic vein (tributary to both pterygoid venous plexus and cavernous sinus)
G: ganglionic branches from pterygopalatine ganglion to maxillary division of trigeminal nerve
ION: infra-orbital nerve (branch CN V2)
A: infra-orbital artery (branch maxillary artery)
V: infra-orbital vein (drains inferior orbit, communicates with inferior ophthalmic vein, tributary to pterygoid venous plexus)
Z: zygomatic nerve (branch CN V2)
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