olfactory bulb

noun
one of two enlargements at the terminus of the olfactory nerve at the base of the brain just above the nasal cavities
Hypernyms: ↑neural structure
Part Holonyms: ↑rhinencephalon, ↑olfactory brain

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noun
: a bulbous anterior projection of the olfactory lobe in which the olfactory nerves terminate, being especially well developed in lower vertebrates (as many fishes)

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Anat.
the enlarged terminal part of each olfactory lobe from which the olfactory nerve originates.
[1865-70]

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olfactory bulb,
the enlarged distal end of the olfactory lobe. It is the point at which the olfactory nerve begins.

Useful english dictionary. 2012.

Look at other dictionaries:

  • olfactory bulb — n a bulbous anterior projection of the olfactory lobe that is the place of termination of the olfactory nerves * * * bulbus olfactorius …   Medical dictionary

  • olfactory bulb — n. the tip of the long, thin lobe (olfactory lobe) extending from the bottom of each cerebral hemisphere, from which the olfactory nerve emerges …   English World dictionary

  • Olfactory bulb — Brain: Olfactory bulb Vesalius Fabrica, 1543. Olfactory Bulbs and Olfactory tracts outlined in red …   Wikipedia

  • olfactory bulb — Anat. the enlarged terminal part of each olfactory lobe from which the olfactory nerve originates. [1865 70] * * * ▪ anatomy   structure located in the forebrain of vertebrates (vertebrate) that receives neural input about odours detected by… …   Universalium

  • olfactory bulb — olfac′tory bulb n. anat. the anterior swelling of each olfactory lobe, in which the fibers of the olfactory nerve terminate • Etymology: 1865–70 …   From formal English to slang

  • olfactory bulb — noun Date: circa 1860 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 (as fishes) …   New Collegiate Dictionary

  • olfactory bulb — a large organ of smell, e.g. in sharks. This is the most anterior part of the brain but is distinct from the telencephalon while anteriorly it merges with the olfactory nerve …   Dictionary of ichthyology

  • Olfactory bulb mitral cell — Neuron: Mitral Cell Coronal section of olfactory bulb …   Wikipedia

  • internal granular layer of olfactory bulb — the innermost layer of the olfactory bulb, adjacent to the beginning of the olfactory tract; it consists of rows of axons from mitral and tufted cells alternating with rows of cell bodies and dendrites of granule cells …   Medical dictionary

  • external granular layer of olfactory bulb — a thin layer between the glomerular layer and the molecular layer, containing periglomerular cells …   Medical dictionary

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