1 Temporal muscle
2 Sphenoidal sinus
3 Internal carotid artery (syphon)
4 Trigeminal cavity
5 Zygomatic process
6 Socket of temporomandibular joint (temporal bone)
7 Nasopharynx
8 Articular disc
9 Lateral pterygoid muscle
10 Head of mandible
11 Lingual nerve
12 Pharyngotympanic tube (auditory tube)
13 Parotid gland
14 Levator veli palatini muscle
15 Medial pterygoid muscle
16 Maxillary artery
17 Stylopharyngeus muscle
18 Longus capitis muscle
19 Digastric muscle
20 Oropharynx
21 Longus colli muscle
22 Longus capitis muscle
23 Vagus nerve (X)
24 Internal carotid artery
25 Spinal nerve roots (cervical plexus)
26 External jugular vein
27 Anterior scalene muscle
28 Sternocleidomastoid muscle
29 Inferior constrictor muscle of pharynx
30 Internal jugular vein
31 Subclavian vein
32 Vertebral artery
33 Trachea
34 Esophagus
35 Brachiocephalic trunk
36 Vertebral vein
37 Lung (right)
38 Common carotid artery
39 Aortic arch
2 Sphenoidal sinus
3 Internal carotid artery (syphon)
4 Trigeminal cavity
5 Zygomatic process
6 Socket of temporomandibular joint (temporal bone)
7 Nasopharynx
8 Articular disc
9 Lateral pterygoid muscle
10 Head of mandible
11 Lingual nerve
12 Pharyngotympanic tube (auditory tube)
13 Parotid gland
14 Levator veli palatini muscle
15 Medial pterygoid muscle
16 Maxillary artery
17 Stylopharyngeus muscle
18 Longus capitis muscle
19 Digastric muscle
20 Oropharynx
21 Longus colli muscle
22 Longus capitis muscle
23 Vagus nerve (X)
24 Internal carotid artery
25 Spinal nerve roots (cervical plexus)
26 External jugular vein
27 Anterior scalene muscle
28 Sternocleidomastoid muscle
29 Inferior constrictor muscle of pharynx
30 Internal jugular vein
31 Subclavian vein
32 Vertebral artery
33 Trachea
34 Esophagus
35 Brachiocephalic trunk
36 Vertebral vein
37 Lung (right)
38 Common carotid artery
39 Aortic arch