airwayˈɛərˌweɪ
airway (n)
- plural
- airways
English Definitions:
air passage, air duct, airway (noun)
a duct that provides ventilation (as in mines)
air lane, flight path, airway, skyway (noun)
a designated route followed by airplanes in flying from one airport to another
respiratory tract, airway (noun)
the passages through which air enters and leaves the body
airline, airline business, airway (noun)
a commercial enterprise that provides scheduled flights for passengers
airway (Noun)
The trachea.
airway (Noun)
A flight path used by aeroplanes.
Airway
The pulmonary airway comprises those parts of the respiratory system through which air flows, conceptually beginning at the nose and mouth, and terminating in the alveoli. It is generally used synonymously with respiratory tract, to avoid sounding overly scientific. From the mouth or nose, inhaled air passes through the pharynx into the trachea, where it separates into the left and right main bronchi at the carina, situated at the level of the second thoracic vertebra. The main bronchi then branch into large bronchioles, one for each lobe of the lung. Within the lobes, the bronchioles further subdivide some twenty times, ending in clusters of alveoli. The epithelial surfaces of the airway contain cilia. Inhaled particles adhere to mucus secreted by goblet cells, which is continuously driven outwards by the cilia. The epithelium of the airway also secretes a watery fluid upon which the mucus can ride freely. The production of this fluid is impaired by the disease cystic fibrosis. Macrophages in the airways help promote prophylaxis and prevent infection and contamination, by engulfing bacteria and other inhaled particles. Certain conditions require tracheal intubation to secure the patency of the airway. Airway devices are used to assist in tracheal intubation.
airway
The respiratory tract is the subdivision of the respiratory system involved with the process of respiration in mammals. The respiratory tract is lined with respiratory epithelium as respiratory mucosa.Air is breathed in through the nose to the nasal cavity, where a layer of nasal mucosa acts as a filter and traps pollutants and other harmful substances found in the air. Next, air moves into the pharynx, a passage that contains the intersection between the oesophagus and the larynx. The opening of the larynx has a special flap of cartilage, the epiglottis, that opens to allow air to pass through but closes to prevent food from moving into the airway. From the larynx, air moves into the trachea and down to the intersection known as the carina that branches to form the right and left primary (main) bronchi. Each of these bronchi branches into a secondary (lobar) bronchus that branches into tertiary (segmental) bronchi, that branch into smaller airways called bronchioles that eventually connect with tiny specialized structures called alveoli that function in gas exchange. The lungs which are located in the thoracic cavity, are protected from physical damage by the rib cage. At the base of the lungs is a sheet of skeletal muscle called the diaphragm. The diaphragm separates the lungs from the stomach and intestines. The diaphragm is also the main muscle of respiration involved in breathing, and is controlled by the sympathetic nervous system. The lungs are encased in a serous membrane that folds in on itself to form the pleurae – a two-layered protective barrier. The inner visceral pleura covers the surface of the lungs, and the outer parietal pleura is attached to the inner surface of the thoracic cavity. The pleurae enclose a cavity called the pleural cavity that contains pleural fluid. This fluid is used to decrease the amount of friction that lungs experience during breathing.
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"airway." Kamus.net. STANDS4 LLC, 2024. Web. 23 Apr. 2024. <https://www.kamus.net/english/airway>.
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