, under the frontal bone and anteriorly to the sphenoid bone.
Cubic in shape, the ethmoid is one of the 8 bony elements that make up the so-called neurocranium (or skull); the neurocranium is the upper skeletal complex of the skull, which has the important task of enclosing and protecting the brain.
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The ethmoid is a cubic bone, which is characterized by 4 anatomical elements: the cribroso plate, the vertical plate and the two ethmoidal labyrinths.
The ethmoid is an important bone, because: it contributes to the formation of the anterior cranial fossa, constitutes the medial wall of the eye sockets, forms the roof of the nasal cavities and the nasal septum, fixes the nasal cartilage, hooks the cerebral sickle and, finally, through the holes of the cribroso plate, it allows the transit of the nerve fibers of the olfactory nerve (1st cranial nerve).
Cubic in shape, the ethmoid is one of the 8 bony elements that make up the so-called neurocranium (or skull); the neurocranium is the upper skeletal complex of the skull, which has the important task of enclosing and protecting the brain.