Written by the Fiveable Content Team • Last updated September 2025
Written by the Fiveable Content Team • Last updated September 2025
Definition
The anterior arch is the front part of the C1 vertebra, also known as the atlas, in the vertebral column. It forms the anterior portion of the ring that supports the skull, allowing for nodding and rotation movements.
Related terms
Atlas (C1 vertebra): The first cervical vertebra in the spine, playing a crucial role in supporting the skull and facilitating its movements.
Axis (C2 vertebra): The second cervical vertebra that forms a pivot upon which C1 vertebra (atlas) and the skull rotate.