1 — Lesser palatine foramina; 2 — Posterior nasal spine; 3 — Pyramidal process; 4 — Palatine bone, horizontal plate; 5 — Transverse palatine suture; 6 — Maxillary sinus; 7 — Nasal crest; 8 — Incisive foramina; 9 — Anterior nasal spine; 10 — Maxilla , palatine process; 11 — Maxilla, zygomatic process; 12 — Greater palatine canal; 13 — Pterygoid process, lateral plate; 14 — Pterygoid process, medial plate