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Frontal Bone

The frontal bone is a bone in the human skull. The name comes from the Latin word frons (meaning "forehead"). The bone resembles a cockleshell in form, and consists of three portions. *a large vertical portion, the squama frontalis, 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. *a nasal portion, it articulates with the nasal bones and the frontal process of the maxilla to form the root of the nose.