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ethmoidal cell

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ethmoidal cell
n.
Any of the cavities in the ethmoid bone that are filled with air and that communicate with the nasal cavity.


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Most involved the frontal sinus, although the maxillary sinus, ethmoidal cells, and sphenoidal sinus can also be affected.
According to Stammberger, they usually originate much more frequently in fissures and narrow spaces of the ethmoid than from ethmoidal cells themselves.
[12] The bulla was found to be the most constant ethmoidal cell and the key area for approaching either the anterior or the posterior group of air cells.
 
 
 
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