Olfactory receptor neuron

Olfactory receptor neuron
Labels in German. "Zellen" = "cell", "riech" = "smell", "Riechnerv" = olfactory nerve, "cillien" = cilia.
Details
SystemSmell
LocationOlfactory epithelium in the nose
ShapeBipolar sensory receptor
FunctionDetect traces of chemicals in inhaled air (sense of smell)
NeurotransmitterGlutamate[1]
Presynaptic connectionsNone
Postsynaptic connectionsOlfactory bulb
Identifiers
MeSHD018034
NeuroLex IDnifext_116
THH3.11.07.0.01003
FMA67860
Anatomical terms of neuroanatomy
Plan of olfactory neurons
Olfactory sensory neurons (OSNs) express odorant receptors. The axons of OSNs expressing the same odorant receptors converge onto the same glomerulus at the olfactory bulb, allowing for the organization of olfactory information.

An olfactory receptor neuron (ORN), also called an olfactory sensory neuron (OSN), is a sensory neuron within the olfactory system.[2]

  1. ^ Berkowicz, D. A.; Trombley, P. Q.; Shepherd, G. M. (1994). "Evidence for glutamate as the olfactory receptor cell neurotransmitter". Journal of Neurophysiology. 71 (6): 2557–61. doi:10.1152/jn.1994.71.6.2557. PMID 7931535.
  2. ^ Vermeulen, A; Rospars, J. P. (1998). "Dendritic integration in olfactory sensory neurons: A steady-state analysis of how the neuron structure and neuron environment influence the coding of odor intensity". Journal of Computational Neuroscience. 5 (3): 243–66. doi:10.1023/A:1008826827728. PMID 9663551. S2CID 19598225.

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