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ethmoid sinus
(redirected from Ethmoidal air cells)

   Also found in: Medical, Wikipedia 0.01 sec.
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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


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The ethmoidal air cells consist of numerous thin-walled cavities situated in the ethmoidal labyrinth and completed by the frontal, maxilla, lacrimal, sphenoidal, and palatine bones.
[FIGURE 2 OMITTED] 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.
 
 
 
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