1
1
External nares
2
2
Hard palate
3
3
soft palate
4
4
oropharynx
5
5
opening into nasopharynex
6
6
Laryngopharynx
7
1
Hyoid bone
8
2
Epiglottis
9
3
Thyroid cartilage
10
4
Cricoid cartilage
11
5
Thyroid gland
12
6
Anterior
13
7
Middle
14
8
Posterior
15
9
Heart
16
10
Liver
17
11
Diaphragm
18
12
Mediastinal
19
13
Posterior
20
14
Middle
21
15
Anterior
22
16
Thymus
23
17
Trachea
24
18
Larynx
25
1
Epiglottis
26
2
Thyroid cartilage (cut)
27
3
Cricoid cartilage (cut)
28
4
Trachea
29
5
Thyroid gland
30
6
True vocal cords
31
1
Anterior facial vein
32
2
Posterior facial vein
33
3
Left external jugular vein
34
4
trachea
35
5
Left common carotid artery
36
6
Left subclavian vein
37
7
superior vena cava (precava)
38
8
Thymus
39
9
Right ventricle of heart
40
10
Left ventricle of heart
41
11
Lungs
42
12
Diaphragm
43
13
Thyroid gland
44
14
Larynx