1
.
| Upper pointer: Infraorbital margin Lower pointer: Infraorbital foramen |
2
.
| Nasal mucosal membrane (lateral wall) |
3
.
| Septal cartilage |
4
.
| Internal nasal branch of infraorbital nerve |
5
.
| Orbicularis oris muscle (cut ends of fibers) |
6
.
| Superior labial branch of infraorbital nerve |
7
.
| Upper lip |
8
.
| Superior labial artery |
9
.
| Labial glands |
10
.
| Mental nerve |
11
.
| Temporalis muscle (fibers of origin in temporal fossa) |
12
.
| Maxillary nerve (in pterygopalatine fossa) |
13
.
| External pterygoid muscle (superior fascicle) |
14
.
| Upper pointer: Deep anterior temporal artery Lower pointer: Superior posterior alveolar artery |
15
.
| Buccal artery |
16
.
| Buccal nerve |
17
.
| External pterygoid muscle (inferior fascicle) |
18
.
| Internal pterygoid muscle |
19
.
| Upper pointer: Sphenomandibular ligament Middle pointer: Inferior alveolar artery (course within mandibular canal obscured by inferior alveolar nerve) Lower pointer: Inferior alveolaris nerve |
20
.
| Buccinator muscle |
21
.
| Inferior alveolar nerve within mandibular canal |
22
.
| Mandible (lateral portion cut away to display contents of mandibular canal) |
23
.
| External maxillary artery (cut off) |
24
.
| Lymph node |