<prompt> All of the following structures pass through superior orbital fissure EXCEPT:Inferial ophthalmic veinLacrimal nerveTrigeminal nerveNasociliary nerve  <response>: Ans. C Trigeminal nerveRef: Grays 41st ed. pg. 667, BDC, 6th ed. Vol-III pg. 206-7Structures passing through superior orbital fissureSuperior orbital fissureUpper part LateralMiddle part through tendinous ringLowerMedial part Superior Opthalmic vein Lacrimal nerve Frontal nerve Trochlear nerveMn - Superior LFT Nasociliary nerve Occulomotor nerve Abducent nerveMnemonic NOA Inferior Opthalmic vein Sympathetic nerves around internal carotid arteryMn: Inferior sympathy Extra MileStructures passing through Inferior orbital fissure Zygomatic branch of maxillary nerve Infraorbital nerve vessels Rami of Pterygoid ganglion Communicating vein bw inferior ophthalmic pterygoid plexus of veins.Mn-ZIPC 