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Articulation of Frontal, Ethmoid, and Sphenoid Bones

Surgical Correlation

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Anterior cranial fossa. The anterior cranial fossa is formed by the junction of three bones, frontal, ethmoid, and sphenoid. The perpendicular plate of the ethmoid forms the superior two-thirds of the nasal septum. (Image courtesy of JC Fernandez-Miranda)

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