This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Head and neck, Subject name: Anatomy
Which structure passes through the infra orbital fissure? 
Select and explain. 
A. Trochlear nerve, B. Zygomatic nerve, C. Superior ophthalmic vein, D. Ophthalmic aery
B: Zygomatic nerve
Answer: B: Zygomatic nerve 
Explanation: The inferior orbital fissure transmits the zygomatic nerve,the orbital branches of the pterygopalatine ganglion,the infraorbital nerve and vessels,and the communication between the inferior ophthalmic vein ad the pterygoid plexus of veins. The infraorbital groove and canal transmit the corresponding nerve and vessels. REF.BDC VOL.3,FIFTH EDITION