olfactory nerve

noun

Definition of olfactory nerve

: either of the pair of nerves that are the first cranial nerves and that arise in the olfactory neurosensory cells of the nasal mucous membrane and pass to the anterior part of the cerebrum

Examples of olfactory nerve in a Sentence

Recent Examples on the Web Second, the particles can bypass the barrier altogether by slipping from the nose into the olfactory nerves and then traveling to a part of the brain called the olfactory bulb. Ellen Ruppel Shell, Scientific American, "The New Alzheimer’s–Air Pollution Link," 12 May 2020 In their first experiments, the researchers used transgenic animals that only made the protein in acetophenone-sensitive olfactory nerves. Robert Martone, Scientific American, "A Successful Artificial Memory Has Been Created," 27 Aug. 2019 By pairing the electrical foot shock with optogenetic light stimulation of the acetophenone-sensitive olfactory nerves, the researchers taught the animals to associate the two. Robert Martone, Scientific American, "A Successful Artificial Memory Has Been Created," 27 Aug. 2019 Scents can be a powerful trigger for emotion and memory, stimulating the olfactory nerve and sending signals directly to the brain. Karen Campbell, BostonGlobe.com, "Trouble sleeping? Let your senses be your guide," 12 July 2018

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

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First Known Use of olfactory nerve

1670, in the meaning defined above

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Time Traveler for olfactory nerve

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The first known use of olfactory nerve was in 1670

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Cite this Entry

“Olfactory nerve.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/olfactory%20nerve. Accessed 5 Aug. 2020.

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More Definitions for olfactory nerve

olfactory nerve

noun

Medical Definition of olfactory nerve

: either of the pair of nerves that are the first cranial nerves, that serve to conduct sensory stimuli from the olfactory organ to the brain, and that arise from the olfactory cells as discrete bundles of unmyelinated fibers passing in small groups (in humans, about 20) through the cribriform plate of the ethmoid bone and terminating in the olfactory bulb

called also first cranial nerve

More from Merriam-Webster on olfactory nerve

Britannica.com: Encyclopedia article about olfactory nerve

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