1 Palatine tonsil
2 Foramen magnum
3 Vomer
4 Anterior longitudinal ligament
5 Nasopharynx and longus colli muscle
6 Apical ligament of dens
7 Hard palate
8 Tectorial membrane
9 Incisive canal
10 Posterior atlanto-occipital membrane
11 Orbicularis oris muscle  
12 Anterior arch of atlas
13 Soft palate
14 Suboccipital fatty tissue
15 Superior longitudinal muscle
of tongue and oral cavity
16 Transverse ligament of atlas (of cruciform ligament of atlas)
17 Transverse muscle of tongue
18 Dens of axis (C2)
19 Genioglossus muscle and lingual septum
20 Nuchal ligament
21 Mandible
22 Ligamentum flavum
23 Oropharynx
24 Interspinalis muscles
25 Geniohyoid muscle
26 Transverse and oblique arytenoid muscles
27 Mylohyoid muscle
28 Vertebra C6 and intervertebral disc
29 Hyoid bone
30 Larynx (lamina)
31 Epiglottis
32 Spinous process of C7
33 Epiglottic vallecula
34 Inferior constrictor muscle of pharynx
35 Thyroid cartilage
36 Spinal cord
37 Vestibular ligament and laryngeal ventricle (ventricle of Morgagni)
38 Spinous process
39 Vocal ligament (false vocal cord)
40 Posterior longitudinal ligament
41 Sternothyroid muscle
42 Anterior longitudinal ligament
43 Thyroid gland
44 Esophagus
45 Trachea
46 Brachiocephalic artery