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
Lateral wall of ischiorectal fossa is formed by all EXCEPT: 
Select and explain. 
A. Levator ani, B. Obturator internus, C. Ischial tuberosity, D. Obturator fascia
A: Levator ani
Answer: A: Levator ani 
Explanation: Levator ani with the anal fascia forms the media wall of ischioanal fossa (in the upper pa)