Atlas, the first cervical vertebra

Illustration of the first cervical vertebra. Cranial view and view from lateral side.

Term name Layer
1 Groove for vertebral artery Layer 1
2 Facet for dens Layer 1
3 Superior articular facet Layer 1
4 Vertebral foramen Layer 1
5 Foramen transversarium Layer 1
6 Transverse process Layer 1
7 Lateral mass Layer 1
8 Posterior tubercle Layer 1
9 Anterior tubercle Layer 1
10 Posterior arch Layer 1
11 Anterior arch Layer 1