1st Cervical Vertebrae

The Atlas

Bone Classification

• Irregular

Bony Features

• Anterior arch of 1st Cervical Vertebrae
• Anterior tubercle of 1st Cervical Vertebrae
• Facet for dens
• Foramen transversarium of 1st Cervical Vertebrae
• Inferior articular facet of 1st Cervical Vertebrae
• Posterior arch of 1st Cervical Vertebrae
• Posterior tubercle of 1st Cervical Vertebrae
• Superior articular facet of 1st Cervical Vertebrae
• Transverse process of 1st Cervical Vertebrae

Structures Attaching to Bony Features as Origin

• Transverse process of 1st Cervical Vertebrae
  • Levator Scapulae

Structures Attaching to Bony Features as Insertion

• Posterior tubercle of 1st Cervical Vertebrae
  • Ligamentum Nuchae