Dissection of mediastinum and paravertebral structures

Mediastinal pleura viewed from left side

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Image #126-5

Dissection of mediastinum and paravertebral structures

Mediastinal pleura viewed from left side

The upper limb has been detached. The left pleural cavity has been opened and the lung has been excised.

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)