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 following is also known as collateral ligament? 
Select and explain. 
A. Sphenomandibular ligament, B. Discal ligament, C. Stylomandibular ligament, D. Lateral ligament
B: Discal ligament
Answer: B: Discal ligament 
Explanation: The collateral ligaments attach the medial and lateral borders of articular disc to the poles of condyles and are commonly called as discal ligaments.