| 1
.
| Dura mater |
| 2
.
| Supraorbital nerve and vein |
| 3
.
| Supratrochlear nerve |
| 4
.
| Tendon of superior oblique muscle |
| 5
.
| Infratrochlear nerve and dorsal nasal artery |
| 6
.
| Nasal bone |
| 7
.
| Middle palpebral artery (inferior) |
| 8
.
| Fornix lacrimal sac |
| 9
.
| Frontal process of maxilla |
| 10
.
| Site of entry of lacrimal canaliculi into lacrimal sac (sinus of Maier) |
| 11
.
| Lacrimal sac (opened) |
| 12
.
| Infraorbital margin |
| 13
.
| Nasolacrimal duct (opened; upper pointer, cavity; lower pointer, outer surface) |
| 14
.
| Middle nasal concha and middle nasal meatus |
| 15
.
| Mucosal folds within nasolacrimal duct |
| 16
.
| Inferior nasal concha (cut across to illustrate bony wall of nasolacrimal canal) |
| 17
.
| Left pointer: Lacrimal folds Right pointer: Opening of nasolacrimal duct |
| 18
.
| Mucosa of Inferior nasal concha (note venous plexus) |
| 19
.
| Inferior nasal meatus |
| 20
.
| Nasal septum |
| 21
.
| Superior tarsalis muscle |
| 22
.
| Superior tarsus |
| 23
.
| Lacrimal puncta and ampulla of superior lacrimal duct |
| 24
.
| Inferior Iacrimal punctum |
| 25
.
| Medial ocular angle |
| 26
.
| Inferior lacrimal duct |
| 27
.
| Inferior conjunctival fornix |
| 28
.
| Inferior oblique muscle |
| 29
.
| Periosteal lining of nasolacrirnal canal |
| 30
.
| Infraorbital foramen |
| 31
.
| Superior anterior alveolar artery |
