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Neocortex Cajal-Retzius cell

Name: Neocortex Cajal-Retzius cell
Description: Neurons of the human embryonic marginal zone which display, as a salient feature, radial ascending processes that contact the pial surface, and a horizontal axon plexus located in the deep marginal zone. These cells were first described by Retzius (Retzius, 1893, 1894) (see the cell labelled 'Retzius, 1893' in Fig. 1). There is consensus that homologous elements are present in the non-primate neocortex, where their morphology is much simpler, as initially described in 1891 by Cajal (Fig. 2) (Cajal, 1891). \\nThe definition of these cells has remained somewhat confusing, in part because Cajal and Retzius studied different species and different developmental stages, and also because their original publications have not been generally available. Meyer et al (1999)prefer to define 'Cajal\\u2013Retzius cells' loosely, as the family of Reln-immunoreactive (ir) neurons in the marginal zone, and reserve the term of pioneer neurons for the early, Reln-negative preplate derivatives that settle in the MZ and project to sub-cortical levels. Adapted from Meyer et al. (1999)
Synonym(s): Cajal-Retzius Cell
Super-category: Neuron
Id: nlx_cell_20081206
Organism: Human
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Soma Specific Properties

Soma Location: Brain marginal zone


The definition of these cells has remained somewhat confusing, in part because Cajal and Retzius studied different species and different developmental stages, and also because their original publications have not been generally available. Meyer et al (1999)prefer to define 'Cajal–Retzius cells' loosely, as the family of Reln-immunoreactive (ir) neurons in the marginal zone, and reserve the term of pioneer neurons for the early, Reln-negative preplate derivatives that settle in the MZ and project to sub-cortical levels. Adapted from Meyer et al. (1999)]]

Notes

This page uses this default form:Petilla_neuron



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Facts about Neocortex Cajal-Retzius cellRDF feed
Created20 October 2008  +
CurationStatusuncurated  +
CuratorMaryann Martone  +
DefinitionNeurons of the human embryonic marginal zo Neurons of the human embryonic marginal zone which display, as a salient feature, radial ascending processes that contact the pial surface, and a horizontal axon plexus located in the deep marginal zone. These cells were first described by Retzius (Retzius, 1893, 1894) (see the cell labelled 'Retzius, 1893' in Fig. 1). There is consensus that homologous elements are present in the non-primate neocortex, where their morphology is much simpler, as initially described in 1891 by Cajal (Fig. 2) (Cajal, 1891). \\nThe definition of these cells has remained somewhat confusing, in part because Cajal and Retzius studied different species and different developmental stages, and also because their original publications have not been generally available. Meyer et al (1999)prefer to define 'Cajal\\u2013Retzius cells' loosely, as the family of Reln-immunoreactive (ir) neurons in the marginal zone, and reserve the term of pioneer neurons for the early, Reln-negative preplate derivatives that settle in the MZ and project to sub-cortical levels. Adapted from Meyer et al. (1999) l levels. Adapted from Meyer et al. (1999)
DefinitionSourceMeyer, G. et al. (1999) What is a Cajal-Retzius cell? A reassessment of a classical cell type based on recent observations in the developing neocortex. Cerebral Cortex 9 (8), pp 765-775.  +
Has default formThis property is a special property in this wiki.Petilla neuron  +
Idnlx_cell_20081206  +
LabelNeocortex Cajal-Retzius cell  +
Located inBrain marginal zone  +
ModifiedDate9 March 2012  +
Page has default formThis property is a special property in this wiki.Petilla neuron  +
SpeciesHuman  +
SuperCategoryNeuron  +
SynonymCajal-Retzius Cell  +