nasopharynx

noun

na·​so·​phar·​ynx ˌnā-zō-ˈfer-iŋ(k)s How to pronounce nasopharynx (audio)
-ˈfa-riŋ(k)s
: the upper part of the pharynx continuous with the nasal passages

Examples of nasopharynx 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.
Inside the body During the subsequent 24 hours, the virus takes root by lodging in her nasopharynx cells in the upper part of the throat and starts spreading to her lungs. Emily Baumgaertner Nunn, New York Times, 4 Apr. 2025 An analysis of viral samples from around the state showed that compared with people infected with other strains of SARS-CoV-2, those who were infected with the California strain had viral loads in the nasopharynx that were twice as high. Melissa Healy, Los Angeles Times, 23 Feb. 2021 The inside of the nose remains mysterious to many, and the nasopharynx— the area way in the back of the nose, up behind the roof of the mouth, is a nether region that few besides otolaryngologists (ear, nose, and throat specialists) approach. Nina Shapiro, Forbes, 31 Jan. 2022 Some speculate that the requirement for endosomal entry and the absence of cell-to-cell fusion may be part of replicating preferentially in the nasopharynx instead of the deep lung. William A. Haseltine, Forbes, 28 Jan. 2022 At the back of this cavity — more or less in line with your earlobe — is your nasopharynx, where the back of your nose meets the top of your throat. New York Times, 18 Nov. 2021 The endpoint of efficacy of the vaccine is preventing clinically apparent disease, which means that you could get infected, have nasopharynx virus in your nose and in your mouth. CBS News, 28 Feb. 2021 There was a recent study from Israel to show that the level of virus in the nasopharynx of vaccinated people is extremely low. CBS News, 28 Feb. 2021 An analysis of viral samples from around the state showed that, compared with people infected with other strains of SARS-CoV-2, those who were infected with the California strain had viral loads in the nasopharynx that were twice as high. Melissa Healy, Los Angeles Times, 24 Feb. 2021

Word History

Etymology

New Latin

First Known Use

1877, in the meaning defined above

Time Traveler
The first known use of nasopharynx was in 1877

Browse Nearby Words

Cite this Entry

“Nasopharynx.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/nasopharynx. Accessed 19 Apr. 2025.

Medical Definition

nasopharynx

noun
na·​so·​phar·​ynx -ˈfar-iŋ(k)s How to pronounce nasopharynx (audio)
plural nasopharynges -fə-ˈrin-(ˌ)jēz How to pronounce nasopharynx (audio) also nasopharynxes
: the upper part of the pharynx continuous with the nasal passages compare laryngopharynx

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