The<unk>  is a bone in the human skull that resembles a cockleshell in form, and consists of two portions:
a vertical portion, the squama<unk> is, corresponding with the region of the forehead.
an orbital or horizontal portion, the pars orbitalis, which enters into the formation of the roofs of the orbital and nasal cavities.
Frontal bone
Occipital bone
Parietal bone
Ethmoid bone
Nasal bone
Sphenoid bone
Zygomatic bone
Mastoid process