Dissection of lungs in situ

Right lung.

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Image #124-2

Dissection of lungs in situ

Right lung.

The right pleural cavity has been opened and the lung has been retracted laterally. The hilar parts of the upper and middle lobes have been dissected.

1. Axilla
2. Right pulmonary. artery
3. Bronchopulmonary lymph node (note lymphatic vessels entering node from region of middle lobe bronchus)
4. Branch to middle lobe right pulmonary artery
5. Medial segmental bronchus of middle lobe
6. Latissimus dorsi muscle
7. Serratus anterior muscle (cut across)
8. Rib VI (cut across)
9. Middle lobe right lung (no visible horizontal fissure separates upper and middle lobes in this preparation)
10. Upper pointer: Oblique fissure Lower pointer: Inferior lobe right lung
11. Diaphragm
12. Rib II
13. Upper lobe right lung
14. Azygos vein (covered by pleura)
15. Right brachiocephalic vein
16. Brachiocephalic trunk
17. Trachea
18. Left brachiocephalic vein
19. Anterior mediastinal lymph node
20. Internal thoracic artery
21. Superior vena cava (covered by pleura)
22. Thymus (partially resected)
23. Right pulmonary veins
24. Sternum
25. Right atrium (distended covered by pericardium and pleura)
26. Costal cartilage V (cut off)