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
[{'content': 'Which of the following accessory ligaments of the TMJ is likely to have significance upon mandibular movements? \nSelect and explain. \nA. Sphenomandibular, B. Stylomandibular, C. Pterygomandibular, D. All of the above', 'role': 'user'}, {'content': 'Answer: B \nExplanation: The stylomandibular ligament is formed due to thickening of the investing layer of deep cervical fascia, which separates the parotid and submandibular glands. This ligament also becomes taut when the mandible is protruded.\nThe accessory ligaments of temporomandibular joints control range of motion (ROM) of TMJs and with mandible form a ‘swing’.\nThe ligaments are the fibrous capsule, temporomandibular, sphenomandibular, and stylomandibular ligaments. The latter two are accessory ligaments.', 'role': 'assistant'}]