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
Fibrous capsule of TMJ has: 
Select and explain. 
A. Type 1 collagen., B. Type 2 collagen., C. Type 4 collagen., D. Type 6 collagen.
B: Type 2 collagen.
Answer: B: Type 2 collagen. 
Explanation: None