Dissection of anterior and lateral regions of neck

Right phrenic nerve; innominate artery and branches, anterior view

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Image #76-7

Dissection of anterior and lateral regions of neck

Right phrenic nerve; innominate artery and branches, anterior view

The innominate veins have been cut off close to the superior vena cava and the right subclavian and first part of the right axillary vein removed.

1. Sternocleidomastoid muscle
2. Common carotid artery and vagus nerve (X)
3. Posterior cervical triangle
4. Trapezius muscle
5. Upper pointer: Superficial cervical artery Lower pointer: Brachial plexus (pointer on superior trunk; roots lie medial, divisions lie lateral to pointer)
6. Upper pointer: Phrenic nerve Lower pointer: Anterior scalene muscle
7. Clavicle and subclavius muscle (cut across)
8. Upper pointer: Transversa colli artery Lower pointer: Transverse scapular artery
9. Brachial plexus (pointer on proximal portion of medial cord)
10. Axillary artery (first portion)
11. Axillary vein (cut off)
12. Brachiocephalic vein right
13. Pectoralis minor muscle
14. Axilla
15. Internal thoracic artery and vein
16. Rib II
17. Vertebral artery left
18. Ansa subclavia
19. Trachea
20. Upper pointer: Vertebral artery right Lower pointer: Subclavian artery right
21. Common carotid artery left
22. Middle right cardiac nerve
23. Brachiocephalic artery
24. Anterior mediastinal lymph node
25. Phrenic nerve
26. Superior cardiac branch of vagus nerve
27. Brachiocephalic vein left (cut off)
28. Pleura (of left lung)
29. Ascending aorta
30. Pleura (of right lung)