Dissection of head and neck from a posterior approach

Pharyngeal plexus of nerves; ascending pharyngeal artery

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Image #82-3

Dissection of head and neck from a posterior approach

Pharyngeal plexus of nerves; ascending pharyngeal artery

Branches of the glossopharyngeal (8) and vagus (9) nerves which enter the pharyngeal plexus are visible in this close-up view of the superior portion of the dissection shown in reel 82-2.

1. Upper pointer: Cochlea Lower pointer: Tympanic cavity (opened)
2. Facial nerve (VII)
3. Glossopharyngeal nerve (IX)
4. Internal carotid artery (cut across)
5. Upper pointer: Posterior belly of digastric muscle Lower pointer: Styloid process temporal bone
6. Vagus nerve (X) (retracted Iaterally)
7. Ascending pharyngeal artery
8. Pharyngeal branch glossopharyngeal nerve
9. Pharyngeal branch vagus nerve
10. Nodose ganglion of vagus nerve (retracted laterally)
11. Occipital artery (cut across)
12. External carotid artery
13. Hypoglossal nerve (XII) (cut across)
14. Superior cervical ganglion
15. Superior laryngeal nerve
16. Carotid body
17. Superior cardiac branch vagus nerve
18. Aperture of sphenoid sinus
19. Internal carotid venous plexus
20. Nasal part pharynx (cut open)
21. Upper pointer: Pharyngobasilar fascia Lower pointer: Pharyngeal tonsil (outer surface)
22. Superior pharyngeal constrictor muscle
23. Upper pointer: Longus colli muscle (cut across) Lower pointer: Longus capitis muscle (cut across)
24. Upper pointer: Middle pharyngeal constrictor muscle Lower pointer: Buccopharyngeal fascia
25. Prevertebral fascia
26. Inferior pharyngeal constrictor muscle
27. Upper pointer: Superior horn thyroid cartilage Lower pointer: Sympathetic trunk