| 1
.
| Occipital artery |
| 2
.
| Upper pointer: Sternocleidomastoid muscle Lower pointer: Accessory nerve (XI) |
| 3
.
| Nodose ganglion of vagus nerve |
| 4
.
| Vagus nerve (X) (retracted posterolaterally) |
| 5
.
| Internal carotid artery (retracted posterolaterally) |
| 6
.
| Upper pointer: Carotid body Lower pointer: Carotid body (accessory) |
| 7
.
| Nerve filaments entering wall of Internal carotid artery at site of carotid sinus |
| 8
.
| Artery which supplies carotid body |
| 9
.
| Internal jugular vein |
| 10
.
| Middle pharyngeal constrictor muscle |
| 11
.
| Internal carotid nerve |
| 12
.
| Superior laryngeal nerve |
| 13
.
| Gray rami communicantes (to cervical nerve I-II) |
| 14
.
| Superior cervical ganglion |
| 15
.
| Inferior pharyngeal constrictor muscle |
| 16
.
| Nerves to carotid body (branches of glossopharyngeal nerve (IX)) |
| 17
.
| Pharyngeal plexus vagus nerve |
| 18
.
| Superior horn thyroid cartilage |
| 19
.
| Superior cardiac branch vagus nerve |
| 20
.
| Sympathetic trunk |
