| 1
.
| Maxillary nerve (V) passing through foramen rotundum |
| 2
.
| Infraorbital artery |
| 3
.
| Mucosa of sphenoid sinus exposed by grinding away sphenoid bone |
| 4
.
| Pterygopalatine fossa (pointer indicates general area of fossa) |
| 5
.
| Superior posterior alveolar artery |
| 6
.
| Buccinator nerve |
| 7
.
| Posterior deep temporal nerve (the anterior deep temporal nerve leaves the buccinator nerve slightly to the left of the pointer but is displaced downward and not clearly visible) |
| 8
.
| Lateral plate of pterygoid process (partially resected) |
| 9
.
| Remnant of origin of external pterygoid muscle |
| 10
.
| Internal pterygoid nerve |
| 11
.
| Internal pterygoid muscle |
| 12
.
| Buccal mucosa (cross section) |
| 13
.
| Upper pointer: Semilunar ganglion (trigeminal) Lower pointer: Mandibular nerve in foramen ovale |
| 14
.
| Petrotympanic fissure |
| 15
.
| Middle meningeal artery (foramen spinosum cut open at upper pointer) |
| 16
.
| Auriculotemporal nerve |
| 17
.
| Masseteric nerve |
| 18
.
| Styloid process |
| 19
.
| Tensor veli palatini muscle |
| 20
.
| Facial nerve (VII) |
| 21
.
| Upper pointer: Inferior alveolar nerve Lower pointer: Lingual nerve |
| 22
.
| External carotid artery |
| 23
.
| Remnant of sympathetic plexus on external carotid artery |
| 24
.
| Posterior belly of digastric muscle |
| 25
.
| Upper pointer: Styloglossus muscle Lower pointer: Stylomandibular ligament |
| 26
.
| Stylohyoid muscle |
