Editing Olfactory receptor neuron (section)

{{Short description|Transduction nerve cell within the olfactory system}}
{{Infobox neuron
| name = Olfactory receptor neuron
| image = Riechschleimhaut.svg
| caption = Labels in German. "Zellen" = "[[cell (biology)|cell]]", "riech" = "smell", "Riechnerv" = [[olfactory nerve]], "cillien" = [[cilia]].
| location         = [[Olfactory epithelium]] in the [[human nose|nose]]
| function         = Detect traces of chemicals in inhaled air ([[olfaction|sense of smell]])
| system = [[Olfaction|Smell]]
| neurotransmitter = [[Glutamate]]<ref>{{cite journal |pmid=7931535 |year=1994 |last1=Berkowicz |first1=D. A. |title=Evidence for glutamate as the olfactory receptor cell neurotransmitter |journal=Journal of Neurophysiology |volume=71 |issue=6 |pages=2557–61 |last2=Trombley |first2=P. Q. |last3=Shepherd |first3=G. M. |doi = 10.1152/jn.1994.71.6.2557}}</ref>
| morphology       = Bipolar sensory receptor
| afferents        = None
| efferents        = [[Olfactory bulb]]
}}

[[File:Gray772.png|thumb|right|200px|Plan of olfactory neurons]]
[[File:Olfactory Sensory Neurons innervating Olfactory Glomeruli.jpg|thumb|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]].<ref name= Jean-Pierre>{{cite journal |pmid=9663551 |year=1998 |last1=Vermeulen |first1=A |title=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=Journal of Computational Neuroscience |volume=5 |issue=3 |pages=243–66 |last2=Rospars |first2=J. P. |doi=10.1023/A:1008826827728 |s2cid=19598225 }}</ref>