vomeronasal organ

noun
vom·​ero·​na·​sal organ | \ ˌvä-mə-rō-ˈnā-zəl- How to pronounce vomeronasal organ (audio) , ˌvō- \

Definition of vomeronasal organ

: 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 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 example sentences are selected automatically from various online news sources to reflect current usage of the word 'vomeronasal organ.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of vomeronasal organ

circa 1926, in the meaning defined above

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The first known use of vomeronasal organ was circa 1926

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Dictionary Entries Near vomeronasal organ

vomero-

vomeronasal organ

vomeropalatine

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Cite this Entry

“Vomeronasal organ.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/vomeronasal%20organ. Accessed 16 Jan. 2022.

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More Definitions for vomeronasal organ

vomeronasal organ

noun

Medical Definition of vomeronasal organ

: 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

More from Merriam-Webster on vomeronasal organ

Britannica.com: Encyclopedia article about vomeronasal organ

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