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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
The illness is due to a respiratory tract infection caused by the bacteria Mycoplasma pneumoniae.
—Mary Kekatos, ABC News, 3 Dec. 2024
Mycoplasma pneumoniae is a type of mycoplasma that can cause respiratory tract infections.
—Zach Bradshaw, The Arizona Republic, 5 Oct. 2024
Join 12 others in the comments View Comments The project has already led to some significant breakthroughs, including the discovery of a previously unknown cell type in the respiratory tract called an ionocyte.
—Katie Hunt, CNN, 21 Nov. 2024
These bacteria can damage the lining of the respiratory tract, including the throat, windpipe, and lungs.
—Thomas G. Moukawsher, Newsweek, 5 Nov. 2024
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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 15 Dec. 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
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