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 muscle Superior and inferior gluteal vessel Internal pudendal vessel Pudendal nerve Sciatic nerve Posterior femoral cutaneous nerve Nerve to obturator internus Quadratus femoris Structures passing through both greater and lesser sciatic foramen: Pudendal nerve Internal pudendal vessels Nerve to obturator internus