A 28-year-old male asked:
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what is the definition or description of: sinuses?

1 doctor answer
Dr. Boris Karanfilov
24 years experience ENT and Head and Neck Surgery
Airfilled spaces: Sinuses are air filled spaces in the head that have several proposed functions: 1. They serve as shock absorbers in cases of head trauma 2. Lighten the skull 3. Humidify and filter the air while also producing mucus 4. Play a role in vocal resonance. The head contains 4 paired sinus cavities: maxillaries (cheek) under the eyes, ethmoids(between the eyes), frontals (above the eyes) and sphenoid.
Answered on Jan 11, 2014
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