paranasal sinus

(redirected from Nasal passage)
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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
References in periodicals archive ?
It helps loud snorers and people with sleep apnea by maximizing airflow in the nasal passage.
Researchers at Boston University School of Medicine have found that a genomic biomarker in the nasal passage can accurately determine the likelihood of a lung lesion being malignant.
Other causes include cancerous tumours or benign inflammatory polyps in the nasal cavity, narrowing of the nasal passage and chronic snuffles.
Radiographically increased radiopacity of anterior nasal passage was observed.
A similar treatment can aid "nose-snorers" by opening up the nasal passage.
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.
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.
Eamon O'Cuiv terrorism and national security, Mr O'Cuiv was making an attack of his own - up his nasal passage.
Alternatively, it could be something as simple as an infection in the nostrils or nasal passage.
Also within the bones of the face are several sinuses--paired, hollow, moisture-secreting cavities that are connected to the nasal passage by small ducts.