Temporal bone: the bones that form the inside of the sides of the skull and contain the zygomatic processes (the cheekbone), external auditory meatus (ear canal), styloid process and mastoid process, two points of the temporal bone located behind the ear.Reconstruction process of human skull porous structure under three-point bending load. Superior view of human skull calvaria (bone color version). Sphenoid bone: the bone located under the frontal bone, behind the nose and eye cavities. Download : Download high-res image (804KB) Download : Download full-size image Fig. The skull (cranium) is the skeletal structure of the head that supports the face.Parietal bone: the main side of the skull.Occipital bone: the bone that forms the back of the head and connects with the occipital condyles and foramen magnum - skeletal structures located on the underside of the skull, near the spine - and the lambdodial suture, which is at the back of the skull.Frontal bone: the bone that extends from the forehead to the coronal suture (a suture located at the top of the head that extends from one side to the other) and forms a joint with the parietal bones that allows movement.Ethmoid bone: a small, rectangular bone inside the cavity of the eye that is located behind the bridge of the nose.
The eight major bones of the cranium are connected by cranial sutures, which are fibrous bands of tissue that resemble seams.