1
.
| Frontalis muscle |
2
.
| Corrugator supercilii muscle |
3
.
| Supratrochlear nerve |
4
.
| Infratrochlear nerve |
5
.
| Orbicularis oculi muscle (divided and partially removed) |
6
.
| Medial palpebral artery (note branch which passes superiorly to communicate with supraorbital artery) |
7
.
| Cut end of lacrimal part orbicularis oculi muscle (superior portion of Horner's muscle) |
8
.
| Medial palpebral ligament |
9
.
| Nasal bone (covered by periosteum) |
10
.
| External nasal branch anterior ethmoidal nerve |
11
.
| Angular artery and vein |
12
.
| Frontalis muscle |
13
.
| Branch supraorbital nerve (communicates in part with temporal branch of facial nerve) |
14
.
| Frontal nerve (note contribution to palpebral nerves) |
15
.
| Supraorbital margin of orbit (periosteum intact) |
16
.
| Orbital septum |
17
.
| Superior palpebral branches of frontal, supratrochlear, and infratrochlear nerves |
18
.
| Layer of fat beneath orbicularis oculi muscle |
19
.
| Aponeurosis of levator palpebrae superioris muscle |
20
.
| Superior tarsus |
21
.
| Lacrimal nerve |