The most caudal external bone of the cranium is the

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The occipital bone is the most caudal external bone of the cranium. It forms the posterior part of the skull and articulates with the first cervical vertebra (atlas) to form the atlanto-occipital joint, which allows for head movement. The frontal bone is located at the anterior part of the skull, the interparietal bone is a paired bone located between the parietal bones, and the temporal bone is located at the lateral part of the skull.

The Most Caudal External Bone of the Cranium Is the