Ethmoidal notch
The ethmoidal notch separates the two orbital plates; it is quadrilateral, and filled, in the articulated skull, by the cribriform plate of the ethmoid.
| Ethmoidal notch | |
|---|---|
Frontal bone. Inner surface (ethmoidal notch visible at center) | |
| Details | |
| Identifiers | |
| Latin | Incisura ethmoidalis ossis frontalis |
| TA98 | A02.1.03.028 |
| TA2 | 548 |
| FMA | 57388 |
| Anatomical terms of bone | |
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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