respiratory tract

noun

plural respiratory tracts
: a system of organs functioning in respiration and in humans consisting especially of the nose, nasal passages, pharynx, larynx, trachea, bronchi, and lungs : respiratory system see lower respiratory tract, upper respiratory tract

Examples of respiratory tract in a Sentence

Recent Examples on the Web Within the animal's respiratory tract, evolved nasal and oral plugs protect the airways from water when breathing and feeding. Erin Clack, Peoplemag, 25 Feb. 2024 Patients are not infectious because the virus is not living in the respiratory tract, where it could be spread by coughing or sneezing, said UCSF’s Henrich. Lisa M. Krieger, The Mercury News, 11 Mar. 2024 Those responses could have helped keep EV-D68 in its place—the respiratory tract—and out of the central nervous system. Beth Mole, Ars Technica, 5 Feb. 2024 Coughing a lot for long periods can also be a symptom of a health condition, such as COPD or GERD, or a respiratory tract infection. Claire Gillespie, Health, 17 Mar. 2024 In the respiratory tract, the evolved nasal and oral plugs protect the airways from water when the marine mammal breathes and eats. Amarachi Orie, CNN, 22 Feb. 2024 Since dogs cool themselves primarily through their respiratory tract, the compressed tissues in the airways of bulldog breeds limit air exchange and reduce their cooling ability dramatically. Patty Khuly, Miami Herald, 30 Jan. 2024 Sauropods had complex air-sac systems in their respiratory tracts that created air pockets within and around their bones. Riley Black, Popular Science, 9 Nov. 2023 That hefty load of virus may be more likely to spill over from the respiratory tract to the central nervous system, leading to paralysis. Beth Mole, Ars Technica, 5 Feb. 2024

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'respiratory tract.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

1842, in the meaning defined above

Time Traveler
The first known use of respiratory tract was in 1842

Dictionary Entries Near respiratory tract

Cite this Entry

“Respiratory tract.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/respiratory%20tract. Accessed 24 Apr. 2024.

Medical Definition

respiratory tract

noun
: a system of organs functioning in respiration and in humans consisting especially of the nose, nasal passages, pharynx, larynx, trachea, bronchi, and lungs : respiratory system see lower respiratory tract, upper respiratory tract
Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!