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Facial sinus cavities

Facial sinuses.

Nasal sinus cavities are moist, hollow spaces in the bones around your eyes, cheeks, and nose. They are connected to the nasal passages through narrow openings. They protect your airways by trapping irritants that you inhale.

Primary Medical Reviewer Kathleen Romito, MD - Family Medicine
Specialist Medical Reviewer Donald R. Mintz, MD - Otolaryngology
Last Updated August 15, 2008

WebMD Medical Reference from Healthwise

Last Updated: August 15, 2008
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