Located medial to the third molar at the junction of the maxilla and the horizontal plate of the palatine bone:
Posterior nasal spine
Mylohyoid line
Pterygoid hamulus
Greater palatine foramen
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.