This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Anatomy
All of the following structures passes through lesser sciatic foramen, EXCEPT: 
Select and explain. 
A. Inferior gluteal vessels, B. Internal pudendal vessels, C. Pudendal nerve, D. Nerve to obturator internus
A: Inferior gluteal vessels
Answer: A: Inferior gluteal vessels 
Explanation: Structures passing through the lesser sciatic foramen are tendon of obturator internus, internal pudendal vessels and pudendal nerve. Structures passing through greater sciatic foramen are:Piriformis muscleSuperior and inferior gluteal vesselInternal pudendal vesselPudendal nerveSciatic nervePosterior femoral cutaneous nerveNerve to obturator internusQuadratus femorisStructures passing through both greater and lesser sciatic foramen:Pudendal nerveInternal pudendal vesselsNerve to obturator internusRef: BRS Gross Anatomy By Kyung Won Chung, page 97