MEDizzy
MEDizzy
Hunain
Hunainalmost 2 years ago
Sinusitis

Sinusitis

Sinusitis is an inflammation, or swelling, of the tissue lining the sinuses. The sinuses are four paired cavities (spaces) in the head. They are connected by narrow channels. The sinuses make thin mucus that drains out of the channels of the nose. This drainage helps keep the nose clean and free of bacteria.

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