olfactory bulb

noun

, Anatomy.

the enlarged terminal part of each olfactory lobe from which the olfactory nerve originates.

olfactory bulb

noun

the anterior and slightly enlarged end of the olfactory tract, from which the cranial nerves concerned with the sense of smell originate

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Word History and Origins

Origin of olfactory bulb¹

First recorded in 1865–70

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Example Sentences

When molecules fly into our nose, they bind to the cilia, and the neurons send this information to the olfactory bulb, which interprets it, resulting in our sensation of the smell.

From Nautilus

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olfactory olfactory lobe

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