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What are sinuses?

April 26, 2017sinuses

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What are sinuses?

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Sinuses are openings in the bones around your nose. Four pairs of sinuses are connected to the nose by small openings. These sinuses are located behind the cheekbones, alongside your nose, and above your eyebrows.

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The nasal sinuses are hollow cavities within the cheek bones around the eyes and behind the nose. The sinus cavities warm, moisten, and filter the air that we breathe; they also take the weight off the skull and insulate it. There are four pairs of sinuses: the frontal sinuses, located in the forehead; the maxillary sinuses, located behind the cheek bones; the ethmoid sinuses, located between the eyes; and the sphenoid sinuses, located behind the eyes. Healthy sinuses contain no bacteria and open easily, allowing mucus to drain and air to circulate.

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“). This in turn promotes movement of mucus out of the sinus and re-establishes normal oxygen levels within the sinuses. In chronic sinusitis, the principal way to accomplish this goal remains medications. In some patients, medical therapy fails to provide relief of their symptoms.