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.
References in periodicals archive ?
According to Stammberger, they usually originate much more frequently in fissures and narrow spaces of the ethmoid than from ethmoidal cells themselves.
Intraoperatively greenish brown mucopurulent debris was removed from the maxillary sinus, ethmoidal cells and from the roof of the orbit.
There is a direct communication between the ethmoidal cells and the orbit by the anterior and posterior ethmoidal vessels.
Presence of ethmoidal cells in frontal sinus can be explained by studying the embryological development of frontal sinus.
Trauma to the middle turbinate was seen in 5 cases while in 4 cases there was accidental entry into anterior ethmoidal cells.
Occasionally the anterior ethmoidal cells were opened accidentally and further damage was avoided by restricting surgery limited to the lacrimal sac region.