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: Dental
Which of the portions of the intra articular disc is the thinnest? 
Select and explain. 
A. Anterior, B. Intermediate, C. Posterior, D. Retrodiscal
B: Intermediate
Answer: B: Intermediate 
Explanation: None