The definition :
Definitions of paranasal sinus:
- noun: 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 lining of the nasal cavities
Are you interested in alternative search :
:sinus headache sinusitis :fistula venous sinus bodily cavity canal cavity cavum channel duct passage passageway cavernous sinus coronary sinus ethmoidal sinus frontal sinus maxillary sinus paranasal sinus sigmoid sinus sinus cavernosus sinus coronarius sinus ethmoidales sinus paranasales sinus rectus sinus sigmoideus sinus transversus straight sinus
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