| 1
.
| Depressor anguli oris muscle |
| 2
.
| Mandible |
| 3
.
| Submental lymph node |
| 4
.
| Body hyoid bone (covered by fibrous tissue) |
| 5
.
| Levator muscle of thyroid gland |
| 6
.
| Sternocleidomastoid muscle |
| 7
.
| Sternohyoid muscle right |
| 8
.
| Pyramidal lobe of thyroid gland |
| 9
.
| Prelaryngeal lymph node |
| 10
.
| Left lobe of thyroid gland |
| 11
.
| Isthmus of thyroid gland |
| 12
.
| Middle layer of superficial fascia |
| 13
.
| Sternal origin of sternocleidomastoid muscle |
| 14
.
| Internal jugular vein |
| 15
.
| Internal carotid artery |
| 16
.
| Descending branch hypoglossal nerve |
| 17
.
| Superior thyroid artery |
| 18
.
| Omohyoid muscle (cut off) |
| 19
.
| Sternohyoid muscle (cut off) |
| 20
.
| Thyrohyoid muscle |
| 21
.
| Ansa hypoglossi |
| 22
.
| Insertion of sternothyroid muscle (cut across) |
| 23
.
| Superficial cervical artery |
| 24
.
| Anterior scalene muscle |
| 25
.
| Fascicle of sternothyroid muscle attaching to carotid sheath |
| 26
.
| Jugular trunk |
| 27
.
| Sternothyroid muscle (cut across near origin) |
| 28
.
| Sternohyoid muscle (cut across) |
| 29
.
| Clavicle |
