Cited by 1,161Neurogenesis and neuroplasticity mechanismsDevelopmental Biology and Gene RegulationRetinal Development and Disorders

Neurons in Rhesus Monkey Visual Cortex: Systematic Relation between Time of Origin and Eventual Disposition

Rakic, Pasko·1974·Science

Abstract

Autoradiographic evidence after injection of tritiated thymidine indicates that cell position in the laminae of the monkey visual cortex is systematically related to time of cell origin. The earliest-formed neurons, destined for the deepest stratum, arise at about embryonic day 45, and the last ones, destined for the outermost cell stratum, form at about day 102; cells of intervening layers are generated at intervening times. No neocortical neurons are produced in the last two prenatal months or after birth. Compared to cortical neurons in rodents, those in the monkey arise earlier, and the "inside-out" relation of cell position to time of origin is more rigid.

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Crossref · 10.1126/science.183.4123.425

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  • The generation of the six-layer cortical plate occurs in an inside-out fashion, with early-born neurons establishing layer 6, then layer 5, and so forth.

    “The generation of the six-layer cortical plate occurs in an inside-out fashion, with the early-born neurons establishing layer 6, then layer 5, and so forth59.”

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Authors
Rakic, P.
Affiliations
Boston Children's Hospital (US)
Corresponding author
Rakic, Pasko
Venue
Science
Published
1974-02
Volume
183
Issue
4123
Pages
425-427
ISSN
  • 0036-8075 (ISSN-L)
  • 1095-9203
OpenAlex
W1979952856
Cited by
1,161
References
1
Citations by year
2026: 13 · 2025: 21 · 2024: 19 · 2023: 34 · 2022: 30 · 2021: 28 · 2020: 44 · 2019: 31 · 2018: 36 · 2017: 27 · 2016: 38 · 2015: 29 · 2014: 23 · 2013: 35 · 2012: 26
FWCI
5.82
Type
journal article
Language
en
Open access
closed
Locations
  • Science (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Life Sciences › Neuroscience › Developmental Neuroscience › Neurogenesis and neuroplasticity mechanisms
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Developmental Biology and Gene Regulation
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Retinal Development and Disorders
Keywords
visual cortex, rhesus monkeys, neuronal origin, 3H-thymidine autoradiography, neocortex development
MeSH terms
Animals, Haplorhini, Autoradiography, Brain Mapping, Cell Differentiation, Cell Movement, Female, Gestational Age, Macaca, Neurons, Pregnancy, Thymidine, Tritium, Visual Cortex

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