Ethmoidal notch
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| Bone: Ethmoidal notch | |
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| Frontal bone. Inner surface. (Ethmoidal notch visible at center.) | |
| Latin | incisura ethmoidalis ossis frontalis |
| Gray's | subject #33 137 |
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 air cells.
This article was originally based on an entry from a public domain edition of Gray's Anatomy. As such, some of the information contained within it may be outdated.
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