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
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Symptoms typically begin about two days after influenza viruses infect a person’s respiratory tract, the CDC said. Fernanda Galan, Sacramento Bee, 16 Jan. 2025 But a different kind of sialic acid receptor, alpha 2,6, is more prevalent in the human respiratory tract. Cnn.com Wire Service, The Mercury News, 8 Jan. 2025 These changes could have allowed the virus to more easily bind to and enter cells in the human respiratory tract. Emily Mullin, WIRED, 7 Jan. 2025 Such antivirals keep the virus from replicating in your respiratory tract. Bruce Y. Lee, Forbes, 26 Dec. 2024 See all Example Sentences for respiratory tract 

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 19 Jan. 2025.

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!