1 -Vertebra prominens [CVII]; 2 — Posterior longitudinal ligament; 3 — Anterior longitudinal ligament; 4 — Intervertebral disc; 5 — Joint capsule; Articular capsule; 6 — Posterior arch, posterior tubercle; 7 — Longitudinal bands; 8 — Anterior arch; 9 — Maxilla; 10 — Anterior atlanto-occipital membrane; 11 — Occipital bone, basilar part; 12 — Sphenoidal sinus; 13 — Sella turcica; 14 — Apical ligament of dens; 15 — Hypoglossal canal; 16 — External occipital protuberance; 17 — Dens axis [CII]; 18 — Transverse ligament of atlas; 19 — Posterior atlantooccipital membrane; 20 — Ligamentum nuchae; Nuchal ligament; 21 — Ligamenta flava; 22 -Vertebral arch; 23 — Intervertebral foramen; 24 — Spinous process; 25 — Supraspinous ligament; 26 — Interspinous ligaments
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