
1 Maxillary sinus
2 External acoustic meatus
3 Temporal muscle
4 Sigmoid sinus
5 Lateral pterygoid muscle
6 Internal jugular vein
7 Ramus of the mandible
8 Obliquus capitis posterior major and minor muscles
9 Buccinator muscle
10 Semispinalis capitis muscle
11 Medial pterygoid muscle
12 Rectus capitis lateralis muscle
13 Orbicularis oris muscle
14 Transverse process of cervical vertebra C1
15 Mandible
16 Obliquus capitis superior muscle
17 Submandibular gland
18 Splenius capitis muscle
19 Platysma
20 Levator scapulae muscle
21 Common facial vein
22 Cervical veins
23 Sternocleidomastoid muscle
24 Trapezius muscle
25 Scalenus medius muscle
26 Semispinalis cervicis muscle
27 Internal jugular vein
28 First rib
29 Scalenus anterior muscle
30 Interspinalis muscle
31 Brachial plexus
32 Rhomboid (major and minor) muscle
33 Subclavian artery (left)
34 Serratus anterior muscle
35 Subclavian vein (left)
36 Lung
37 Clavicle
38 Subclavian muscle
39 Pectoralis major muscle

