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Mnemonic

Orbit Apex Structures

Mnemonic for the structures at the apex of the orbit and how the two openings split them.

Anatomy Head and Neck
Expansion

Optic canal medial, superior orbital fissure lateral, the apex splits the traffic

Expansion

  • Optic canal - medial, carries CN II and the ophthalmic artery
  • Superior orbital fissure - lateral, carries CN III, IV, V1, VI