Axial bone features table

Axial bone features table - PSIO 201 Required Handout...

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PSIO 201 Required Handout Department of Physiology Axial Skeleton – Bones and bone features of the skull TABLE 1: Bones of the cranium Bone Description Frontal bone (1) Unpaired bone of the cranium that makes up the forehead and forms the superior portion of the eye orbit. Parietal bones (2) Paired bones that lie posterior to the frontal bone and form the lateral walls of the cranium. Occipital bone (1) Unpaired bone that forms the posterior and inferior portion of the cranium. Features of interest: foramen magnum and occipital condyles . Temporal bones (2) Paired bones that lie inferior to the parietal bones and contribute to forming the lateral wall of the cranium. The interior of the temporal bone houses the auditory ossicles, small bones that contribute to the sense of hearing. Features of interest : external auditory meatus, zygomatic process, styloid process, mastoid process, and mandibular fossa. Ethmoid bone (1) Unpaired bone that forms a portion of the posterior eye orbit, part of the cranial floor, the roof of the nasal cavity, and the superior nasal septum. Features of interest: crista galli, cribriform plate, olfactory foramina, perpendicular plate, superior nasal conchae, and middle nasal conchae. Sphenoid bone (1)
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Axial bone features table - PSIO 201 Required Handout...

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