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Cochlear nucleus (dorsal) pyramidal neuron
| Name: | Cochlear nucleus (dorsal) pyramidal neuron |
| Definition: | Bipolar neuron in dorsal cochlear nucleus, whose cell bodies form a band in the pyramidal cell layer. Characterized by a spiny apical dendritic tree in the molecular layer and a smooth basal dendritic tree in the deep layer. The apical dendrites have many branches which are contacted by parallel fibers from granule cells, whereas the basal dendrites have few branches and receive inputs from the auditory nerve. |
| Synonym(s): | fusiform cell, dorsal cochlear nucleus pyramidal cell |
| Is part of: | cochlear (dorsal) nucleus |
| Has role: | Principal neuron |
| Abbreviation: | py |
| Super-category: | Neuron |
| Defining citation: | Kane, 1974; Young and Oertel, 2004 (in Shepherd, GM (edl) The Synaptic Organization of the Brain. Fifth edition. NY: Oxford University Press. |
| Id: | nifext_74 |
| Defining criteria: | Spiny apical and smooth basal dendrites; fusiform cell body shape; in pyramidal cell body layer |
| Organism: | Mammals |
| Link to OWL / RDF: | Download this content as OWL/RDF |
Soma Specific Properties
| Cell Soma Shape: | Fusiform, pyramidal |
| Cell Soma Size: | Rat: 20 by 40um |
| Soma Location: | Pyramidal (fusiform) cell body layer |
| Dendrite location: | Apical: molecular layer; Basal: deep layer |
| Number of Primary Dendrites: | Rat: apical 5-7; basal 2-4 |
| Dendrite length: | Rat: apical 150-200 um; basal 200-250um |
| Dendrite thickness: | Rat: apical 2-5 um; basal 2-6 um |
| Branching metrics: | Rat: apical highly branched; basal sparingly branched |
Axon Specific Properties
| Defining Criteria: | Spiny apical and smooth basal dendrites; fusiform cell body shape; in pyramidal cell body layer |
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- Definition Source: Young and Oertel, in Shepherd, ed. (2004) The Synaptic Organization of the Brain, 5th ed, New York: Oxford University Press
Subcategories
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Facts about Cochlear nucleus (dorsal) pyramidal neuronRDF feed
| Abbrev | py + |
| AxonProjectionLaterality | Contralateral + |
| BranchingMetrics | Rat: apical highly branched; basal sparingly branched + |
| CellSomaShape | Fusiform, pyramidal + |
| CellSomaSize | Rat: 20 by 40um + |
| CellularSynapticTarget | Rat: axon collaterals to other pyramidal cells. Mouse: no axon collaterals. Axon terminates in the contralateral inferior colliculus + |
| Comment | Should be "Cochlear nucleus dorsal pyramidal neuron" |
| Created | 5 September 2007 + |
| CurationStatus | uncurated + |
| DefiningCitation | Kane, 1974; Young and Oertel, 2004 (in Shepherd, GM (edl) The Synaptic Organization of the Brain. Fifth edition. NY: Oxford University Press. + |
| DefiningCriteria | Spiny apical and smooth basal dendrites; fusiform cell body shape; in pyramidal cell body layer + |
| Definition | Bipolar neuron in dorsal cochlear nucleus, … Bipolar neuron in dorsal cochlear nucleus, whose cell bodies form a band in the pyramidal cell layer. Characterized by a spiny apical dendritic tree in the molecular layer and a smooth basal dendritic tree in the deep layer. The apical dendrites have many branches which are contacted by parallel fibers from granule cells, whereas the basal dendrites have few branches and receive inputs from the auditory nerve. nd receive inputs from the auditory nerve. |
| DendriteLength | Rat: apical 150-200 um; basal 200-250um + |
| DendriteLocation | Apical: molecular layer; Basal: deep layer + |
| DendriteThickness | Rat: apical 2-5 um; basal 2-6 um + |
| Has role | Principal neuron + |
| Id | nifext_74 + |
| Is part of | Cochlear (dorsal) nucleus + |
| Label | Cochlear nucleus (dorsal) pyramidal neuron + |
| Located in | Pyramidal (fusiform) cell body layer + |
| LocationOfAxonArborization | Rat: axon collaterals to other pyramidal cells. Mouse: no axon collaterals. Exit through the dorsal and intermediate acoustic striae to terminate in the contralateral inferior colliculus + |
| ModifiedDate | 1 June 2010 + |
| Neurotransmitter | Excitatory + |
| NumberOfPrimaryDendrites | Rat: apical 5-7; basal 2-4 + |
| OriginOfAxon | soma + |
| Page has default formThis property is a special property in this wiki. | Petilla neuron + |
| Species | Mammals + |
| Synonym | fusiform cell +, and dorsal cochlear nucleus pyramidal cell + |