Line of junction between frontal and parietal bones

The line of junction of the frontal bones and the parietal bones of the skull.

the joining line (suture) between the frontal and parietal bones of the skull that crosses the top of the skull from temple to temple.

This calvarial (vault) synostosis is the coronal plane between the frontal and parietal bones. image

The coronal suture is a dense, fibrous connective tissue joint that separates the frontal and parietal bones of the skull. At birth, the bones of the skull do not meet.