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ATLAS VS AXIS
The special characteristics of the atlas and the axis
| Question | Answer |
|---|---|
| Articulates with the occipital condyles of the skull. | ATLAS |
| Has NO body! | ATLAS |
| Contains large superior articulating process, with smooth cartilage surfaces (facets) | ATLAS |
| Permits head to move up and down (yes) | ATLAS |
| Contains body with a prominent tooth-like projection called the "Odontoid Process" | AXIS |
| Odontoid Process projects upward through the ring of the Atlas | AXIS |
| Permits movement of head side to side (no) | AXIS |