1
.
| Infratrochlear nerve |
2
.
| Muscle fibers which joined frontalis muscle |
3
.
| Periosteum covering nasal bone |
4
.
| Area of origin of superior part of orbicularis oculi muscle |
5
.
| Area of origin of inferior part of orbicularis oculi muscle |
6
.
| Lacrimal part orbicularis oculi muscle |
7
.
| Medial palpebral ligament |
8
.
| Angular head of levator labii superioris muscle (cut across) |
9
.
| Frontal nerve |
10
.
| Corrugator supercilii muscle |
11
.
| Supratrochlear nerve |
12
.
| Orbital septum (note its downward extension deep to the orbicularis muscle toward an attachment on the posterior lacrimal crest) |
13
.
| Aponeurosis of levator palpebrae superioris muscle (upper pointer, cutaneous insertion; lower pointer, tarsal insertion) |
14
.
| Superior tarsus |
15
.
| Middle palpebral artery |
16
.
| Superior palpebral nerves |
17
.
| Lacrimal duct |
18
.
| Lacrimal lake |
19
.
| Medial ocular angle |