Topical Terminology > Sinus (Paranasal Sinuses)
1 Definition
Sinus (Paranasal Sinuses)
For Sinus (Paranasal Sinuses) we have a term and definition in Allergy and Asthma.
Sinus (Paranasal Sinuses) (Allergy and Asthma) 
Air cavities within the facial bones, lined by mucous membranes similar to those in other parts of the airways.
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