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Sinusitis: Nose
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Sinusitis is an inflammation of the sinuses. Sinuses are hollow cavities in the skull that lighten the skull and give your voice resonance. They are lined with mucus-producing membranes and cilia (microscopic hairs) that move the mucus through the small passages toward the nose. The movement of this watery mucus keeps the nasal and throat passages moist and clean of dust, bacteria, viruses and other airborne particles.
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Sinusitis is inflammation of the sinuses commonly caused by respiratory tract viruses. It leads to increased mucus and swelling of the lining of the sinuses and nose. This can block the narrow channels and lead to an abscess.
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"Sinusitis" refers to inflammation of the nasal sinus cavities, which are moist, hollow spaces in the bones of the skull. There are four pairs of sinuses: frontal, maxillary, ethmoid, and sphenoid. The sinuses are located behind the eyebrows, cheekbones, and nose. The sinuses help moisten and warm air that is filtered by the nose, serving to protect the lungs. The sinuses ... play a role in voice resonation.
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Sinusitis is very common; 30% of all people suffer from sinusitis at least once a year. Sinusitis can be acute (lasting about 3 weeks or less), chronic (lasting from 3 to 8 weeks or longer), and recurrent (several acute attacks per year). Sinusitis is caused by viruses (such as the common cold), asthma, allergens (such as dust, mold, and pollen), nasal polyps or anything that causes swelling in the nose.
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Sinusitis is a swelling of the inner lining of the sinuses. The sinuses are the spaces between the bones in the face where air passes and where a fluid called mucus drains into the nose.
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By and far, the most common reason for sinusitis is caused by some blockage of the ostia which impedes the flow of mucus. Such blockages are frequent and commonly occur following an infection in the upper respiratory region of the body-disorders such as a cold or the presence of an allergic reaction which brings on inflammation and swelling in the nasal tissues can lead to such blockages. The uninhibited use of topical nasal decongestants by the person, the presence of swollen adenoids or tonsils, the presence of a deviated septum-which is a physical shifting of the cartilage running down the center of the nose, the presence of nasal polyps, and the presence of certain tumors or foreign bodies in the nose are all possible causes for blocked ostia’s in the sinus of a person. People who have a habit of smoking cigarettes are ... likely to suffer some sort of sinus infection as cigarette smoke easily interferes with the proper action of the cilia within the sinus cavities. The existence of certain types of immune-system deficiencies in the person can also predispose that individual to the easy development of sinusitis.
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