Ethmoidal spine

Ethmoidal spine
Sphenoid bone. Upper surface. (Ethmoidal spine visible at top.)
Anatomical terms of bone [edit on Wikidata]

The superior surface of the body of the sphenoid bone (Fig. 145) presents in front a prominent spine, the ethmoidal spine, for articulation with the cribriform plate of the ethmoid; behind this is a smooth surface slightly raised in the middle line, and grooved on either side for the olfactory lobes of the brain.

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  Base of the skull. Upper surface.

This article incorporates text in the public domain from page 147 of the 20th edition of Gray's Anatomy (1918)

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