Coronal sutureThe coronal suture is a dense, fibrous connective tissue joint that separates the two parietal bones from the frontal bone of the skull.StructureThe coronal suture lies between the paired parietal bones and the frontal bone of the skull. It runs from the pterion on each side.Nerve supplyThe coronal suture is likely supplied by a branch of the trigeminal nerve.DevelopmentThe coronal suture is derived from the paraxial mesoderm.Clinical significanceIf certain bones of the skull grow too fast then premature fusion of the sutures, craniosynostosis, may occur. This can result in skull deformities. These deformities include: Brachycephaly Plagiocephaly Oxycephaly