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ethmoid sinus
(redirected from Ethmoidal air cells)

   Also found in: Dictionary/thesaurus, Wikipedia 0.01 sec.
ethmoid sinus,
n one of the facial cavities, located beneath the nasal bridge, through which air flows.

ethmoid
1. sievelike; cribriform.
2. the ethmoid bone.

ethmoid bone
the sievelike bone that forms a roof for the nasal fossae and part of the floor of the rostral cranial fossa. See also Table 10.
ethmoid sinus
see concha.


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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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