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ethmoid sinus

   Also found in: Medical, Wikipedia 0.01 sec.
ThesaurusLegend:  Synonyms Related Words Antonyms
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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Noncontrast computed tomography (CT) of the paranasal sinuses demonstrated extensive disease in the fight maxillary sinus, fight ethmoid sinus, and fight sphenoid sinus along with destruction of the lamina papyracea, displace ment of the globe, and erosion of the cribriform plate (figure).
1) Most choanal polyps arise in the maxillary sinus; on rare occasions, one will originate in the sphenoid or ethmoid sinus.
Malignant tumors of the ethmoid sinus account for a low percentage of head and neck cancers.
 
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