1

C1 (atlas)
2

C2 (axis)
3

Odontoid process (dens) of C2 (axis)
4

C3
7

C6
8

C6: Expanded transverse process
9

Spinal Canal
13

Vertebral Spinous Process
14

Intervertebral disc space
15

Intervertebral foramen
16

Articular process (facet): cranial
17

Articular process (facet): caudal
18

Mandible
19

Maxilla
20

Nasal Bone
18

Mandible
19

MAxilla
23

Basisphenoid Bone
24

Basioccipital Bone
26

Occipital Condyle
25

Stylohyoid Bone
27

Maxillary Sinus
28

Maxillary sinus: rostral compartment
29

Maxillary sinus: caudal compartment
30

Frontal Sinus
31

Dorsal Conchal Sinus
32

Ventral conchal sinus
33

Guttural Pouch
34

Epiglottis
35

Aryepiglottic Fold