The __________ bone contributes to the anterior cranial fossa; the roof, lateral wall, and median septum of the nasal cavity; and the medial wall of the orbit.

Question

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Ethmoid. The ethmoid bone contributes to the anterior cranial fossa; the roof, lateral wall, and median septum of the nasal cavity; and the medial wall of the orbit. The frontal bone contributes to the entire forehead region, the anterior cranial fossa, and the roof of the bony orbits. The occipital bone forms the posteroinferior aspect of the cranial vault and the posterior aspect of the posterior cranial fossa.

The __________ Bone Contributes to the Anterior Cranial Fossa; the Roof