olfactory bulb

noun

Definition of olfactory bulb 

: a bulbous anterior projection of the olfactory lobe that is the place of termination of the olfactory nerves and is especially well developed in lower vertebrates (such as fishes)

Examples of olfactory bulb in a Sentence

Recent Examples on the Web

The olfactory bulb — the area of the brain that processes odors — is tightly connected to the amygdala, which is where the brain reacts emotionally. Alessandra Potenza, The Verge, "Puke, poop, and sweat: a ranking of New York City’s grossest attractions," 9 May 2018 In fact, Braak and his colleagues also found Lewy bodies in the olfactory bulb, which led them to propose the nose as another potential place of initiation. Diana Kwon, Scientific American, "Does Parkinson’s Begin in the Gut?," 8 May 2018 Origins of Olfactory Inferiority The story begins in the brain—specifically the olfactory bulb, the brain's smell-processing center. Brian Handwerk, Smithsonian, "In Some Ways, Your Sense of Smell Is Actually Better Than a Dog’s," 22 May 2017 The situation is a bit different with songbirds and other feathered friends, which have very small olfactory bulbs (the brain structure involved in the sense of smell). Jason Daley, Smithsonian, "Seabirds Use Their Sense of Smell to Navigate Open Water," 30 Aug. 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'olfactory bulb.' 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 bulb

1851, in the meaning defined above

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The first known use of olfactory bulb was in 1851

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More Definitions for olfactory bulb

olfactory bulb

noun

Medical Definition of olfactory bulb 

: a bulbous anterior projection of the olfactory lobe that is the place of termination of the olfactory nerves

More from Merriam-Webster on olfactory bulb

Britannica.com: Encyclopedia article about olfactory bulb

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