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respiratory tract
(redirected from airway)

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respiratory tract

In animals, the air passageways that lead from the nose and mouth to the lungs, including the air sacs of the lungs. A specialized epithelial tissue lines much of these air passages. This is cilated epithelium and contains cells with beating hairs called cilia that sweep mucus and trapped particles away from the air sacs in the lungs. Smoking damages this epithelium.

Care should be taken with the term ‘respiratory tract’, because it could be confusing. The word respiration is now linked to processes that occur inside cells and is no longer used to relate to air movements in the air passageways. The term ‘air passageway’ is probably a less confusing term. Air movements in the air passageways are called ventilation (breathing).
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? Mentioned in ? References in periodicals archive
 
On clinical examination, the patient was found to have a marked septal bulging that obstructed the right nasal airway (figure, A).
Maxillary sinusitis caused by nasoseptal obstruction by Yanagisawa, Eiji / Ear, Nose and Throat Journal
Single short-term exposures to ozone are known to cause acute changes in pulmonary function and neutrophilic airway inflammation.
Effects of multiday exposure to ozone on airway inflammation as ... by Balmes, John / Environmental Health Perspectives
Benefits compared favorably with those of conventional treatment using machines called CPAP, which deliver, via plastic masks, continuous positive airway pressure to sleepers.
Musical therapy for sounder sleeping by Science News
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