X CLOSE

Dissection of head and neck from a posterior approach

Pharyngeal blood vessels and nerves

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Image #81-6
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Dissection of head and neck from a posterior approach
Pharyngeal blood vessels and nerves
1 . Hypoglossal nerve (XII)
2 . Nodose ganglion of vagus nerve
3 . Internal carotid artery
4 . Gray rami communicantes (to cervical nerve IV-V, which have been cut away)
5 . Accessory nerve (XI)
6 . Superior laryngeal nerve
7 . Descending branch hypoglossal nerve
8 . Vagus nerve (X)
9 . Sternocleidomastoid muscle
10 . Superficial fascia (deep lamina of external layer)
11 . Superior horn thyroid cartilage
12 . Internal jugular vein
13 . Sympathetic trunk
14 . Gray rami communicantes (to cervical nerve IV-V)
15 . Common carotid artery
16 . Ganglion cervical nerve VI
17 . Superior pharyngeal constrictor muscle
18 . Pharyngeal venous plexus
19 . Middle pharyngeal constrictor muscle
20 . Superior cervical ganglion
21 . Body cervical vertebra III (cut in midline)
22 . Pharyngeal branch of external maxillary artery
23 . Inferior pharyngeal constrictor muscle
24 . Pharyngeal plexus vagus nerve
25 . Ganglion cervical nerve V
26 . Posterior longitudinal ligament