ethmoid sinus

(redirected from Ethmoidal air cells)
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Related to Ethmoidal air cells: ethmoidal sinuses
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Noun1.ethmoid sinus - a sinus of the meatuses of the nasal cavity (behind the bridge of the nose)
sinus - any of various air-filled cavities especially in the bones of the skull
References in periodicals archive ?
A CT scan revealed a large right maxillary antral mass, with areas of radiolucency and radiopacity, extending into the right nasal cavity and ethmoidal air cells (Fig.
The right maxillary sinus, both sphenoids, and the left ethmoidal air cells were clear.
CT imaging to look for the source of aspergillosis showed inflammatory mucosal thickening of ethmoidal air cells bilaterally, 1 cm low density lesion in right lobe of the liver, and multiple nodules in right lung.