Dissection of anterior and lateral regions of neck

Infrahyoid region, anterosuperior close-up view

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Image #75-1

Dissection of anterior and lateral regions of neck

Infrahyoid region, anterosuperior close-up view

1. Sternothyroid muscle right (cut across)
2. Cricothyroid muscle
3. Upper pointer: Prelaryngeal lymph node Lower pointer: Cricoid cartilage (covered by perichondrium)
4. Internal jugular vein right
5. Branch anterior superior thyroid artery
6. Right lobe of thyroid gland
7. Branch of ansa hypoglossi to sternohyoid muscle
8. Brachiocephalic trunk right (duplicated)
9. Inferior thyroid vein right
10. Trachea
11. Inferior thyroid vein left
12. Pretracheal lymph node
13. Anterior jugular vein (cut off)
14. Sternoclavicular ligament
15. Suprasternal space
16. Manubrium of sternum
17. Pyramidal lobe of thyroid gland
18. Internal jugular vein left
19. Left lobe of thyroid gland
20. Muscle fascicle from sternothyroid muscle to carotid sheath
21. Branch of ansa hypoglossi to sternohyoid muscle and sternothyroid muscle
22. Termination of lymphatic trunks in internal jugular vein
23. Phrenic nerve
24. Sternothyroid muscle (cut off and reflected anteriorly)
25. Subclavian vein
26. Upper pointer: Lymphatic trunk from anterior mediastinal lymph nodes Lower pointer: Internal mammary lymphatic trunk
27. Sternohyoid muscle (lower pointer indicates clavicular origin)
28. Upper pointer: Sternoclavicular ligament Lower pointer: Sternoclavicular articular disc
29. Costoclavicular ligament
30. Sternoclavicular joint (medial cavity)