airway

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airway

1. an air route, esp one that is fully equipped with emergency landing fields, navigational aids, etc.
2. a passage down which air travels from the nose or mouth to the lungs
3. Med a tubelike device inserted via the throat to keep open the airway of an unconscious patient
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005
The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.

Airway

 

an approved route for regular flights of transport planes. The route is provided with maintained airfields and with the necessary ground-support equipment (radio beacons, air lane identification markers, and the like) to insure safe takeoff and landing. Civil aviation flights are generally carried out on airways. In some special cases—for instance, when servicing expeditions or rendering emergency medical assistance—flights are carried out independent of any airway. The first Soviet airway was inaugurated in 1923 between Moscow and Nizhnii Novgorod (now called Gorky). In 1968 more than 2,500 airways (with a total extent of about 500,000 km) constituted the consolidated network of the USSR Aeroflot system, linking about 3,500 cities and populated points within the country and 44 foreign countries.

The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.

airway

[′er‚wā]
(building construction)
A passage for ventilation between thermal insulation and roof boards.
(mining engineering)
A passage for air in a mine. Also known as air course.
(navigation)
A designated route of passage for aircraft.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.

airway

airway
A passage for ventilation between thermal insulation and roof boards.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.

airway

airwayclick for a larger image
Some of the legends on airways for aeronautical charts.
A control area, or a portion thereof, established in the form of a corridor (ICAO). An airway is equipped with radio navigation aids. It is a path through navigable airspace designated by the appropriate authority within which air traffic services are provided.
An Illustrated Dictionary of Aviation Copyright © 2005 by The McGraw-Hill Companies, Inc. All rights reserved
References in periodicals archive ?
Immunosuppression as well as neutrophil depletion with either anti-Gr-1 or anti-Ly6G significantly reduced the number of conducting airway wall neutrophils in noninfected mice compared to their respective control-treated animals (Figure 4(d)).
[Gr-1.sup.+] and[Ly6G.sup.+] Cells in the Conducting Airway Mucosa.
Because the amount of site-specific paraffin sections was limited in these fetal lungs, we quantified only the abundance of mucosubstance in the airway epithelium of proximal (intrapulmonary generations 1-3) conducting airways, determined using stereologic assessment of lung structure (Hsia et al.
Our data indicate that exposure to environmentally relevant levels of BPA during fetal lung development can alter expression of secretory genes (Muc5B, CCSP) and proteins (MUC5B, CCSP) in the conducting airways. Further, we found that this increase was most pronounced in the proximal conducting airways, bronchi.
In this study, eNO values were assessed using multiple models and demonstrated differences in exhaled alveolar NO ([C.sub.A] NO) and conducting airway NO ([J'.sub.awNO]) between groups, depending on the type of pulmonary pathology present.
In SSc-PAH patients, increased conducting airway NO ([J'.sub.awNO]) correlated with a reduced DLCO.
In the high-dose miners, the interstitial compartments with the greatest amount of particulate material were the interlobular, intersegmental, and perivascular connective tissue; scars; the alveolar and alveolar duct septa; the pleura; bronchovascular interstitium of conducting airways; and the interstitium of respiratory bronchioles.
Repeated episodes of exposure to ozone alters postnatal development of distal conducting airways in infant rhesus monkeys.
Smaller particles generally deposit more peripherally in the lung, such as in the alveolar space, whereas larger particles deposit more centrally, for example, in the large conducting airways. Particles larger than 5 [micro]m tend to deposit in the mouth-throat area [27], thereby reducing the lung dose.
The walls of the conducting airways are mostly composed of epithelial lining, connective tissue elements, and a smooth muscle sleeve.
Very recently, evidence for surface tension values below 15 mJ/[m.sup.2] in the intrapulmonary conducting airways was obtained from particle deposition studies in hamsters (Geiser et al.
This region of the lung is anatomically distinct, as the respiratory bronchioles have some of the same properties of conducting airways as well as serving a gas-exchange function (25).