paranasal sinus

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Related to Nasal passage: pharynx, bronchi
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Noun1.paranasal sinus - any of the paired sinuses in the bones of the face adjacent to the nasal cavity that are lined with mucous membrane that is continuous with the lining of the nasal cavitiesparanasal sinus - any of the paired sinuses in the bones of the face adjacent to the nasal cavity that are lined with mucous membrane that is continuous with the lining of the nasal cavities
sinus - any of various air-filled cavities especially in the bones of the skull
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References in periodicals archive ?
nasal polyps, or small growths in the nasal passage that can lead to inflammation
They not only cover our nasal passage, but can also reach the upper parts of our lungs.
It helps loud snorers and people with sleep apnea by maximizing airflow in the nasal passage. It is one of the most environmentally-friendly and cost-effective solution for a deeper and relaxing sleep.
Radiographically increased radiopacity of anterior nasal passage was observed.
During the outpatient biopsy, findings on endoscopic examination of the right nasal passage and the right nasopharynx were normal.
In a study of 280 Texan children diagnosed with choanalatresia or stenosis, researchers conclude that these two types of birth defects of the nasal passage may be associated with maternal exposure to atrazine, a suspected endocrine disruptor and the most widely used herbicide in the United States.
slippery taste hooked & dangling in the nasal passage be
Banish the dust mites Dust or particles in the air can irritate the nasal passage, causing our bodies to create a barrier of mucus blocking the nasal passage and preventing these particles from entering the nose.
Short and medium nosed dogs are more prone to lung cancer because their shorter nasal passage is not as effective at accumulating the inhaled second hand smoke carcinogens, so more reach the lungs.
Alternatively, it could be something as simple as an infection in the nostrils or nasal passage.
* Swabs that are designed to fit comfortably into nostrils while providing coverage of the nasal passage and nares with minimal dripping or running.