| 1
.
| Upper pointer: Internal jugular vein Lower pointer: Common carotid artery |
| 2
.
| Ansa hypoglossi |
| 3
.
| Ascending cervical artery |
| 4
.
| Anterior branch superior thyroid artery |
| 5
.
| Thyroid gland |
| 6
.
| Phrenic nerve |
| 7
.
| Transverse scapular artery |
| 8
.
| Lymphatic trunks terminating in internal jugular vein |
| 9
.
| Trachea |
| 10
.
| Inferior thyroid vein left |
| 11
.
| Sternohyoid muscle |
| 12
.
| Upper pointer: Sternoclavicular joint capsule Lower pointer: Costoclavicular ligament |
| 13
.
| Upper pointer: Nerves to levator scapulae muscle Lower pointer: Levator scapulae muscle |
| 14
.
| Superficial cervical artery (posterior end displaced) |
| 15
.
| Middle scalene muscle |
| 16
.
| Upper pointer: Posterior scalene muscle Lower pointer: Transversa colli artery |
| 17
.
| Long thoracic nerve (plexiform) |
| 18
.
| Brachial plexus (pointer on divisions of superior trunk) |
| 19
.
| Brachial plexus (pointer on divisions of middle trunk) |
| 20
.
| Brachial plexus (pointer on divisions of inferior trunk) |
| 21
.
| Subclavian artery |
| 22
.
| Serratus anterior muscle |
| 23
.
| Anterior scalene muscle (pointer near origin of muscle from first rib) |
| 24
.
| Subclavian vein |
