olfactory bulb

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olfactory bulb

n.
The bulblike distal end of the olfactory lobe, where the olfactory nerves begin.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

olfactory bulb

n
(Anatomy) the anterior and slightly enlarged end of the olfactory tract, from which the cranial nerves concerned with the sense of smell originate
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

olfac′tory bulb`



n.
the anterior swelling of each olfactory lobe, in which the fibers of the olfactory nerve terminate.
[1865–70]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.olfactory bulb - one of two enlargements at the terminus of the olfactory nerve at the base of the brain just above the nasal cavities
neural structure - a structure that is part of the nervous system
olfactory brain, rhinencephalon - a center in the cerebral hemispheres that governs the sense of smell in lower animals; in humans it seems to mediate complex emotional behavior
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
References in periodicals archive ?
Brain atrophy was assessed at day 14, as follows: the total brain volume (left hemisphere + right hemisphere, excluding bulbus olfactorius, cerebellum, and brainstem) and the size of the lateral ventricles (left ventricle + right ventricle) were measured by manually drawing respective regions of interest on every 8th coronal section integrating the distance between sections and the thickness of each section using NIH ImageJ (v 1.33, National Institute of Health, USA) analysis software.
This suggestion is supported by the observation that the bulbus olfactorius near the ethmoid is heavily inflamed in cases of naturally occurring BD.