![]() ![]() The coronal suture is the transverse mid-anterior junction of the frontal bone and the two parietal bones. It is composed of the frontal bone, parietal bones, temporal bones, and occipital bone. The calvaria, the uppermost part of the skull, protects the cerebral cortex, cerebellum, and orbital contents. In addition, it supports the muscles of the face and scalp by providing muscular and tendinous attachments, protects neurovascular structures, and houses various sinuses to accommodate increases in pressure. ![]() The skull will harden and fuse through development to protect its inner contents: the cerebrum, cerebellum, brainstem, and orbits. The function of the skull is both structurally supportive and protective. The skull consists of 22 bones in most adult specimens, which come together via cranial sutures. ![]()
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