The inner surface of the base of the skull is divided by the sphenoidal ridge anteriorly and the petrous ridge posteriorly into three regions or fossae:Īdditionally, a poorly-defined region termed the central base of skull is often used clinically to denote the region centered on the pituitary fossa and surrounding structures.

Subscribe now to get access to the Atlas Platform and our 3D models. The bones of the cranium are joined at immovable joints termed sutures. These bones protect the brain and the special sense structures related to hearing, balance, smell, and vision. Sutures which take part in the formation of the skull base include: An overview of the exterior skull osteological anatomy is demonstrated. The cranium is composed of eight bones: the paired parietal and temporal bones, and the singular frontal, ethmoid, sphenoid, and occipital bones. These bones are separated from each other by sutures. some texts state that the base does not include the parietal bones The skull is a bony structure that supports the face and forms a protective cavity for the brain.The base of the skull is a bony diaphragm composed of a number of bones - from anterior to posterior: Free Skull 3D models for download, files in 3ds, max, c4d, maya, blend, obj.

Skull structure download