On its anterior surface is an oval or nearly circular facet for articulation with that on the anterior arch of the atlas. Make sure that any removable artefacts such as earrings glasses or metal dentures are removed to avoid obscuring the anatomy of interest.
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Transverse ligament provides the most stability retaining the dens in contact with the atlas c1.
Dens anatomy. Dens anatomy on its anterior surface is an oval or nearly circular facet for articulation with that on the anterior arch of the atlas. The dens is a protuberance process or projection of the axis second cervical vertebra. N anatomy the toothlike upward.
It exhibits a slight constriction or neck where it joins the main body of the vertebra. The dens or odontoid process exhibits a slight constriction or neck where it joins the body. On its anterior surface is an oval or nearly circular facet for articulation with that on the anterior arch of the atlas.
Dens anatomy synonyms dens anatomy pronunciation dens anatomy translation english dictionary definition of dens anatomy. A small toothlike upward projection from the second vertebra of the neck around which the first vertebra rotates. The axis has a dens or odontoid process which protrudes from the cranial part of the body of the axis and articulates with the ventral arch of the atlas.
On the back of the neck and frequently extending on to its lateral surfaces is a shallow groove for the transverse atlantal ligament which retains the process in position. The odontoid process also dens or odontoid peg is a protuberance process or projection of the axis second cervical vertebra. Important ligamentous structures are attached to the dens and play an important role in c1c2 stability cruciform ligament.
A strong toothlike process projecting upward from body of axis second cervical vertebra or epistropheus around which the atlas rotates. The condition where the dens is separated from the body of the axis is called os odontoideum and may cause nerve and circulation compression syndrome. This video provides a brief overview of the c1 c2 cervical vertebrae.
A malformed tooth consisting of an invagination of the enamel dentine and pulp within the tooth bud appearing as a tooth within a tooth. The zygapophyseal joint space between c1 and c2 is symmetrical. C1 c2 atlas axis parts.
The dens is free from superimposition of the adjacent atlas lateral masses or other tissues 2. Embryological remnant of the notochord.
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