Dissection of anterior and lateral regions of neck

Fascial relations at apex of parietal pleura, left lateral view

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Image #76-2

Dissection of anterior and lateral regions of neck

Fascial relations at apex of parietal pleura, left lateral view

The subclavian vein has been retracted anteriorly and areolar connective tissue has been removed posterior to the vein. The fascia (24) which extends medially from the anterior border of the anterior scalene muscle toward the internal mammary artery (23) covers the cupula of the pleura.

1. Lateral suspensory ligament of thyroid gland (cut off)
2. Internal jugular vein
3. Phrenic nerve (split into several trunks)
4. Trachea
5. Anterior branch superior thyroid artery
6. Principal termination of lymphatic trunks in internal jugular vein
7. Secondary termination of lymphatic trunks in subclavian vein
8. Subclavian vein (retracted anteriorly)
9. Inferior thyroid vein (cut off)
10. Thymus
11. Brachiocephalic vein left
12. Sternohyoid muscle (cut across)
13. Ascending cervical artery
14. Superficial cervical artery
15. Vertebral vein
16. Middle scalene muscle
17. Brachial plexus (anterior and posterior divisions of superior trunk)
18. Thyrocervical trunk
19. Transverse scapular artery
20. Subclavian artery
21. Anterior scalene muscle
22. Vertebral vein
23. Internal thoracic (mammary) artery
24. Fascia covering cupula pleurae
25. Rib I
26. Costoclavicular ligament