Ethmoidal spine - Wikipedia
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| Ethmoidal spine |
|---|
 Sphenoid bone. Upper surface. (Ethmoidal spine visible at top.) |
| Anatomical terms of bone |
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)