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
Located medial to the third molar at the junction of the maxilla and the horizontal plate of the palatine bone: 
Select and explain. 
A. Posterior nasal spine, B. Mylohyoid line, C. Pterygoid hamulus, D. Greater palatine foramen
D: Greater palatine foramen
Answer: D: Greater palatine foramen 
Explanation: Greater palatine foramen located medial to the third molar at the junction of the maxilla and the horizontal palate of the palatine bone. Greater palatine foramen transmits descending palatine vessels and palatine nerve.