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Olfactory receptor neuron

Index Olfactory receptor neuron

An olfactory receptor neuron (ORN), also called an olfactory sensory neuron (OSN), is a transduction cell within the olfactory system. [1]

34 relations: Action potential, Adenylyl cyclase, Ca2+/calmodulin-dependent protein kinase II, Calcium, Calmodulin, Cell (biology), Cell membrane, Chemoreceptor, Chloride, Cilium, Cyclic adenosine monophosphate, Cyclic nucleotide–gated ion channel, Dendrite, Depolarization, G protein–coupled receptor, Gene expression, Glomerulus (olfaction), Glutamic acid, GNAL, Human nose, Ion channel, Ligand-gated ion channel, Mucus, Neuroscience Information Framework, Olfaction, Olfactory bulb, Olfactory epithelium, Olfactory nerve, Olfactory receptor, Olfactory system, Phosphodiesterase, Sensory neuron, Sodium, Vertebrate.

Action potential

In physiology, an action potential occurs when the membrane potential of a specific axon location rapidly rises and falls: this depolarisation then causes adjacent locations to similarly depolarise.

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Adenylyl cyclase

Adenylyl cyclase (also commonly known as adenyl cyclase and adenylate cyclase, abbreviated AC) is an enzyme with key regulatory roles in essentially all cells.

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Ca2+/calmodulin-dependent protein kinase II

/calmodulin-dependent protein kinase II (CaM kinase II or CaMKII) is a serine/threonine-specific protein kinase that is regulated by the /calmodulin complex.

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Calcium

Calcium is a chemical element with symbol Ca and atomic number 20.

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Calmodulin

Calmodulin (CaM) (an abbreviation for calcium-modulated protein) is a multifunctional intermediate calcium-binding messenger protein expressed in all eukaryotic cells.

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Cell (biology)

The cell (from Latin cella, meaning "small room") is the basic structural, functional, and biological unit of all known living organisms.

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Cell membrane

The cell membrane (also known as the plasma membrane or cytoplasmic membrane, and historically referred to as the plasmalemma) is a biological membrane that separates the interior of all cells from the outside environment (the extracellular space).

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Chemoreceptor

A chemoreceptor, also known as chemosensor, is a specialized sensory receptor cell which transduces (responds to) a chemical substance (endogenous or induced) and generates a biological signal.

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Chloride

The chloride ion is the anion (negatively charged ion) Cl−.

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Cilium

A cilium (the plural is cilia) is an organelle found in eukaryotic cells.

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Cyclic adenosine monophosphate

Cyclic adenosine monophosphate (cAMP, cyclic AMP, or 3',5'-cyclic adenosine monophosphate) is a second messenger important in many biological processes.

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Cyclic nucleotide–gated ion channel

Cyclic nucleotide–gated ion channels or CNG channels are ion channels that function in response to the binding of cyclic nucleotides.

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Dendrite

Dendrites (from Greek δένδρον déndron, "tree"), also dendrons, are branched protoplasmic extensions of a nerve cell that propagate the electrochemical stimulation received from other neural cells to the cell body, or soma, of the neuron from which the dendrites project.

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Depolarization

In biology, depolarization is a change within a cell, during which the cell undergoes a shift in electric charge distribution, resulting in less negative charge inside the cell.

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G protein–coupled receptor

G protein–coupled receptors (GPCRs), also known as seven-(pass)-transmembrane domain receptors, 7TM receptors, heptahelical receptors, serpentine receptor, and G protein–linked receptors (GPLR), constitute a large protein family of receptors that detect molecules outside the cell and activate internal signal transduction pathways and, ultimately, cellular responses.

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Gene expression

Gene expression is the process by which information from a gene is used in the synthesis of a functional gene product.

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Glomerulus (olfaction)

The glomerulus (plural glomeruli) is a spherical structure located in the olfactory bulb of the brain where synapses form between the terminals of the olfactory nerve and the dendrites of mitral, periglomerular and tufted cells.

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Glutamic acid

Glutamic acid (symbol Glu or E) is an α-amino acid with formula.

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GNAL

Guanine nucleotide-binding protein G(olf) subunit alpha is a protein that in humans is encoded by the GNAL gene.

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Human nose

The human nose is the protruding part of the face that bears the nostrils.

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Ion channel

Ion channels are pore-forming membrane proteins that allow ions to pass through the channel pore.

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Ligand-gated ion channel

Ligand-gated ion channels (LICs, LGIC), also commonly referred as ionotropic receptors, are a group of transmembrane ion-channel proteins which open to allow ions such as Na+, K+, Ca2+, and/or Cl− to pass through the membrane in response to the binding of a chemical messenger (i.e. a ligand), such as a neurotransmitter.

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Mucus

Mucus is a slippery aqueous secretion produced by, and covering, mucous membranes.

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Neuroscience Information Framework

The Neuroscience Information Framework is a repository of global neuroscience web resources, including experimental, clinical, and translational neuroscience databases, knowledge bases, atlases, and genetic/genomic resources and provides many authoritative links throughout the neuroscience portal of Wikipedia.

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Olfaction

Olfaction is a chemoreception that forms the sense of smell.

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Olfactory bulb

The olfactory bulb (bulbus olfactorius) is a neural structure of the vertebrate forebrain involved in olfaction, the sense of smell.

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Olfactory epithelium

The olfactory epithelium is a specialized epithelial tissue inside the nasal cavity that is involved in smell.

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Olfactory nerve

The olfactory nerve is typically considered the first cranial nerve, or simply CN I, that contains sensory nerve fibers relating to smell.

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Olfactory receptor

Olfactory receptors (ORs), also known as odorant receptors, are expressed in the cell membranes of olfactory receptor neurons and are responsible for the detection of odorants (i.e., compounds that have an odor) which give rise to the sense of smell.

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Olfactory system

The olfactory system, or sense of smell, is the part of the sensory system used for smelling (olfaction).

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Phosphodiesterase

A phosphodiesterase (PDE) is an enzyme that breaks a phosphodiester bond.

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Sensory neuron

Sensory neurons also known as afferent neurons are neurons that convert a specific type of stimulus, via their receptors, into action potentials or graded potentials.

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Sodium

Sodium is a chemical element with symbol Na (from Latin natrium) and atomic number 11.

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Vertebrate

Vertebrates comprise all species of animals within the subphylum Vertebrata (chordates with backbones).

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Redirects here:

Olfactory cells, Olfactory neuron, Olfactory neurone, Olfactory neurons, Olfactory receptor neurons, Olfactory sensory neuron, Olfactory sensory neurons.

References

[1] https://en.wikipedia.org/wiki/Olfactory_receptor_neuron

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