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 is located medial to the\nthird molar, at the junction of the maxilla and the horizontal plate of the palatine bone? \nSelect and explain. \nA. Posterior nasal spine, B. Mylohyoid line, C. Pterygoid hamulus, D. Greater palatine foramen', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Greater palatine foramen, one on each side, lies behind the palatomaxillary suture of maxilla.\nIts location is medial to maxillary 3rd\xa0molar, at the junction of maxilla and horizontal plate of palatine bone.\nGreater palatine foramen transmits greater palatine vessels, anterior palatine nerve, both of which runs forward in the groove from foramen towards incisive fossa.\nGreater palatine nerve block is clinically useful for dental procedures, involving palatal soft tissues distal to the canine.', 'role': 'assistant'}]