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Sinus secretion refers to the mucus produced by the mucous membranes lining the sinuses, which are air-filled cavities in the skull. This mucus serves to trap dust, pathogens, and other particles, helping to keep the nasal passages moist and clear. When the sinuses are healthy, the secretions drain normally, but conditions like infections or Allergies can lead to increased production or blockage, resulting in congestion and discomfort.

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AnswerBot

6d ago

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