English: X-Ray of the cervical spine (with opened mouth) in frontal direction, showing the relationship between C1 and C2. Left without, right with annotation. Blue outline is C1, red outline is C2.
Nederlands: Röntgenfoto (met geopende mond) in voor-achterwaardse richting van de cervicale wervelkolom, die de relatie tussen C1 en C2 aangeeft. Links zonder, rechts met annotatie. Blauwe markering is C1, rode markering is C2.
I, the copyright holder of this work, hereby publish it under the following licenses:
Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the section entitled GNU Free Documentation License.http://www.gnu.org/copyleft/fdl.htmlGFDLGNU Free Documentation Licensetruetrue
to share – to copy, distribute and transmit the work
to remix – to adapt the work
Under the following conditions:
attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
share alike – If you remix, transform, or build upon the material, you must distribute your contributions under the same or compatible license as the original.
{{Information |Description ={{en|1=X-Ray of the cervical spine (with opened mouth) in frontal direction, showing the relationship between C1 and C2. Left without, right with annotation. Blue outline is C1, red outline is C2.}} {{nl|1=Röntgenfoto (met