vomeronasal organ

noun

vom·​ero·​na·​sal organ ˌvä-mə-rō-ˈnā-zəl- How to pronounce vomeronasal organ (audio)
ˌvō-
: either of a pair of small blind pouches or tubes in many vertebrates that are situated one on either side of the nasal septum or in the buccal cavity and that are reduced to rudimentary pits in adult humans but are developed in reptiles, amphibians, and some mammals as chemoreceptors

called also Jacobson's organ

Examples of vomeronasal organ in a Sentence

Recent Examples on the Web Scientists found that vomeronasal organs are, in fact, an offshoot of the nose, lined with similar sensory cells that send impulses to the same part of the brain as the nose, and discovered that tiny particles picked up by the tongue tips ended up inside the vomeronasal organ. Kurt Schwenk, The Conversation, 16 June 2021 In this new study, published in the journal Cell, neurobiologist Lisa Stowers decided to investigate whether the vomeronasal organ was capable of picking up signals from other species as well. Eliza Strickland, Discover Magazine, 18 May 2010 The vomeronasal organ helps cats detect minute chemical clues about their environment, including the proximity and status of other cats. Gemma Tarlach, Discover Magazine, 25 Aug. 2014 According to his hypothesis, the women who orgasm from the smell of the mushroom are those equipped with a functioning vomeronasal organ (VNO). Christie Wilcox, Discover Magazine, 14 Feb. 2016 Each tip delivers to its own vomeronasal organ separately, allowing the snake’s brain to assess instantly which side has the stronger smell. Kurt Schwenk, The Conversation, 16 June 2021 Mice and a number of vertebrates have neurons in their noses, in something called the vomeronasal organ — the VNO. Quanta Magazine, 14 Dec. 2020

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'vomeronasal organ.' 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

circa 1926, in the meaning defined above

Time Traveler
The first known use of vomeronasal organ was circa 1926

Dictionary Entries Near vomeronasal organ

Cite this Entry

“Vomeronasal organ.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/vomeronasal%20organ. Accessed 16 Jul. 2024.

Medical Definition

vomeronasal organ

noun
: either of a pair of small blind pouches or tubes in many vertebrates that are situated one on either side of the nasal septum or in the buccal cavity and that are reduced to rudimentary pits in adult humans but are developed in reptiles, amphibians, and some mammals as chemoreceptors

called also Jacobson's organ, organ of Jacobson

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