| a | nasal process, maxilla |
| b | maxillary antrum |
| c | anterior wall, maxillary antrum |
| d | posterolateral wall, maxillary antrum |
| e | medial wall, maxillary antrum |
| f | malar eminence |
| g | nasal septum |
| h | turbinate |
| i | pterygoid bone |
| j | condyle, mandible |
| k | styloid process |
| l | zygomatic arch |
| m | pterygo-maxillary fissure |