1
.
| Clavicle (cut across) |
2
.
| Brachial plexus |
3
.
| Subclavian artery and vein |
4
.
| Pectoralis major muscle (clavicular part, cut across) |
5
.
| Rib I (intact) |
6
.
| Internal thoracic artery |
7
.
| Line of reflection of mediastinal pleura onto lung |
8
.
| Branches left upper pulmonary vein |
9
.
| Pectoralis major muscle (sternal part, cut off) |
10
.
| Costal cartilage ill (cut across) |
11
.
| Transversus thoracis muscle (cut across) |
12
.
| Costomediastinal recess |
13
.
| Mediastinal pleura (pointer indicates location of phrenic nerve in its course across left border of heart and pericardium) |
14
.
| Lobule of fat |
15
.
| Costodiaphragmatic recess |
16
.
| Rib III (cut off) |
17
.
| Cupula pleurae |
18
.
| Aortic arch (covered by pleura) |
19
.
| Left pulmonary artery (filled with blue latex) |
20
.
| Left main bronchus |
21
.
| Left inferior pulmonary vein |
22
.
| Thoracic aorta (covered by pleura) |
23
.
| Pulmonary ligament |
24
.
| Costal pleura |
25
.
| Diaphragm |
26
.
| Rib X (periosteum removed) |