Definitions
from The Century Dictionary.
- In anatomy, of or pertaining to the atlas.
from the GNU version of the Collaborative International Dictionary of English.
- adjective Relating to the atlas.
- adjective Anterior; cephalic.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- adjective anatomy Relating to the
atlas . - adjective
anterior ;cephalic
Etymologies
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Examples
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Extension can be carried farther than flexion; at the upper end of the region it is checked by the locking of the posterior edges of the superior atlantal facets in the condyloid fossæ of the occipital bone; at the lower end it is limited by a mechanism whereby the inferior articular processes of the seventh cervical vertebra slip into grooves behind and below the superior articular processes of the first thoracic.
III. Syndesmology. 5. Articulations of the Trunk. a. Articulations of the Vertebral Column 1918
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The first part of the movement is an eccentric or asymmetrical one; the atlanto-axial joint of the side to which the head is moved is fixed, or practically fixed, by the muscles of the neck, and forms the center of the movement, while the opposite atlantal facet is carried downward and forward on the corresponding axial facet.
III. Syndesmology. 5b. Articulation of the Atlas with the Epistropheus or Axis 1918
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The floor is formed by the posterior occipito-atlantal membrane, and the posterior arch of the atlas.
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