| 1
.
| Depressor anguli oris muscle |
| 2
.
| Platysma |
| 3
.
| External jugular vein |
| 4
.
| Sternocleidomastoid muscle |
| 5
.
| Sternohyoid muscle |
| 6
.
| Anterior supraclavicular nerves |
| 7
.
| Deltopectoral triangle |
| 8
.
| Clavicular part pectoralis major muscle |
| 9
.
| Pyramidal lobe of thyroid gland |
| 10
.
| Suprasternal space |
| 11
.
| External maxillary artery |
| 12
.
| Mandible |
| 13
.
| Anterior belly digastric muscle |
| 14
.
| Descending branch hypoglossal nerve |
| 15
.
| Common carotid artery (within carotid sheath) |
| 16
.
| Internal jugular vein |
| 17
.
| Left pointer: Sternohyoid muscle (cut off) Right pointer: Omohyoid muscle (cut off) |
| 18
.
| Thyrohyoid muscle |
| 19
.
| Ansa hypoglossi |
| 20
.
| Sternothyroid muscle |
| 21
.
| Prevertebral fascia covering scalene muscles |
| 22
.
| Upper pointer: Jugular trunk Lower pointer: Lymphatic trunk from inferior deep cervical lymph nodes |
| 23
.
| Clavicle |
| 24
.
| Subclavius muscle |
| 25
.
| Axillary artery and vein |
| 26
.
| Sternoclavicular ligament |
| 27
.
| Sternoclavicular joint (medial and lateral cavities) |
| 28
.
| Interclavicular ligament (partially removed) |
