sinus paranasales

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Noun1.sinus paranasales - any of the paired sinuses in the bones of the face adjacent to the nasal cavity that are lined with mucous membrane that is continuous with the lining of the nasal cavitiessinus paranasales - any of the paired sinuses in the bones of the face adjacent to the nasal cavity that are lined with mucous membrane that is continuous with the lining of the nasal cavities
nasal sinus, paranasal sinus
sinus - any of various air-filled cavities especially in the bones of the skull
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