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Facial &Cranium Bone
Term | Definition |
---|---|
Frontal Bone | Forms the forehead, the bony projections under the eyebrows, and upper parts of the eye sockets. |
Parietal Bones | The paired bones that form most of the upper and side walls of the cranium |
Temporal Bones | Paired bones that lie behind the parietal bones. |
Occipital Bone | This bone is the most posterior bone of the cranium. It forms the base and back of the skull. |
Sphenoid Bone | This butterfly-shaped bone spans the width of the skull and forms part of the floor of the cranial cavity. It has many canals that nerves run through |
Ethmoid Bone | A very irregular shaped bone that forms the roof of the nasal cavity and part of the inner eye sockets |
Maxillae | They fuse to form the upper jaw. All facial bones except the mandible join the maxillae. This makes them the main or "keystone", bones of the face |
Palatine Bones | They lie posterior to the palatine processes of the maxillae. They form the posterior part of the hard palate. (Top of the Mouth) |
Zygomatic Bones | Cheekbones and form part of the lower eye sockets |
Lacrimal Bones | Fingernail-sized bones forming part of the medial walls of each orbit. Each bone has a groove that serves as a passageway for tears. |
Nasal Bones | Smooth rectangle bones that form the bridge of the nose |
Vomer Bone | The single bone in the medial line of the nasal cavity. It forms most of the bony nasal septum. |
Inferior Nasal Conchae | It's a thin, curved bones projecting medially from the lateral walls of the nasal cavity and are actually part of the ethmoid bone. |
Mandible | Lower jaw, it's the largest and strongest bone of the face. It joins the temporal bones on each side of the face, forming the only freely moveable joints in the skull. |