The Upper Respiratory Tract: Mucous Membrane Irritation
نویسندگان
چکیده
منابع مشابه
The upper respiratory tract: mucous membrane irritation.
Despite the widespread recognition that mucosal irritation is a cardinal feature of "sick-building syndrome," few data exist on the cause, natural history, or pathophysiology of upper respiratory mucous membrane irritation. The baseline prevalence of nasal symptoms among building occupants is often 20%, but in some studies it is as high as 50 to 60%. New techniques of nasal challenge and analys...
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Of the eight epithelial cell types of the airway surface epithelium three are secretory, the mucous, serous and Clara cells: the first two are also found in the submucosal glands. Organ culture results indicate that the pattern of control of the surface cells is different from that of the glands. Our recent studies show that in the surface epithelium Clara and serous cells can quickly convert t...
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The upper respiratory system includes the nose, nasal cavity, pharynx, and larynx with subglottic area of trachea. In the normal circumstances, air enters the respiratory system through nostrils where it is filtered, humidified, and warmed inside the nasal cavity. Conditioned air passes through pharynx, larynx, and trachea and then enters in lower respiratory system. Dysfunction of any part of ...
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Upper respiratory tract infection (URI) is a general term for a heterogeneous group of illnesses caused by numerous etiologic agents that affect the mucosal lining of the upper respiratory tract, including the middle-ear cavity and paranasal sinuses. URIs are primarily caused by viruses, rhinoviruses being the most common etiological agents. Respiratory viruses transmit easily via direct contac...
متن کاملThe isolated perfused bovine uterus as a model for mucous membrane irritation and inflammation.
Isolated perfused bovine uteri were used to study the irritation potential of antiseptics frequently used in veterinary practice for the treatment of endometritis. Comparable to the isolated perfused bovine udder (Kietzmann et al., 1993), the viability of uteri obtained directly after slaughtering of cows, was tested with the help of biochemical parameters. These parameters of the viability wer...
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ژورنال
عنوان ژورنال: Environmental Health Perspectives
سال: 1991
ISSN: 0091-6765
DOI: 10.2307/3431104