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Ethmoidal notch
Notch in the frontal bone of the skull From Wikipedia, the free encyclopedia
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The ethmoidal notch separates the two orbital plates; it is quadrilateral, and filled, in the articulated skull, by the cribriform plate of the ethmoid.
The margins of the notch present several half-cells which, when united with corresponding half-cells on the upper surface of the ethmoid, complete the ethmoidal sinuses.
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References
This article incorporates text in the public domain from page 137 of the 20th edition of Gray's Anatomy (1918)
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