Dissection of anterior and lateral regions of neck

Larynx; vocal cord and vocal muscle; lateral and posterior cricoarytenoid muscles; left lateral view

Stanford holds the copyright to the David L. Bassett anatomical images and has assigned Creative Commons license Attribution-Share Alike 4.0 International to all of the images.
For additional information regarding use and permissions, please contact Dr. Drew Bourn at dbourn@stanford.edu.

Image #77-7

Dissection of anterior and lateral regions of neck

Larynx; vocal cord and vocal muscle; lateral and posterior cricoarytenoid muscles; left lateral view

The external part of the thyroarytenoid muscle has been removed and the internal part (vocal muscle) retained.

1. Lesser horn hyoid bone
2. Body hyoid bone
3. Epiglottal cartilage
4. Thyrohyoid ligament
5. Upper pointer: Thyroepiglotticus muscle (cut across) Lower pointer: Aryepiglotticus muscle
6. Quadrangular membrane
7. Thyroid cartilage (cut across)
8. Laryngeal ventricle (opened)
9. Vocal cord
10. Vocalis muscle
11. Lateral cricoarytenoid muscle
12. Conus elasticus
13. Arch of cricoid cartilage
14. Lateral suspensory ligament of thyroid gland (cut off)
15. Trachea
16. Aryepiglottic fold
17. Superior horn thyroid cartilage (cut across)
18. Piriform recess (opened)
19. Vagus nerve (X)
20. Arytenoid cartilage
21. Posterior cricoarytenoid muscle
22. Upper pointer: Anterior branch inferior laryngeal nerve Lower pointer: Inferior pharyngeal constrictor muscle (cut across)
23. Posterior branch inferior laryngeal nerve
24. Articular surface of thyroid
25. Cervical nerve VI
26. Vertebral artery
27. Branches of recurrent esophageal nerve
28. Esophagus