Total number of cells in the human newborn telencephalic wall
Abstract
The total cell numbers were estimated in the neocortical part of the human telencephalon in 10 normal brains of newborn babies within four major developmental zones: the cortical plate/marginal zone, the subplate, the intermediate zone and the ventricular/subventricular zone. Furthermore, the total number of neuron and glial cells was estimated in the cortical plate. The gestational ages ranged from 38 + 0-42 + 5 weeks + days of gestation. The mean total cell number was 32.6 x 10(9) (coefficient of error = 0.04) and the total number of neurons in the cortical plate 19.8 x 10(9) (coefficient of error = 0.06). This indicates that the total number of neocortical neurons equals the total number in the adults, which, however, is not the case for the glial cells.
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Adult neocortical neuron numbers are attained at around the time of birth in humans.
“because adult neocortical neuron numbers are attained at around the time of birth in humans”
From Evolution of increased glia–neuron ratios in the human frontal cortex (2006) · cites this paper as [14]
The tremendous growth of the human neocortex during postnatal development is due to elaboration of dendritic arbors and a 4-fold increase in glial cell numbers.
“the tremendous growth of the neocortex during postnatal development is due to elaboration of dendritic arbors and a 4-fold increase in glial cell numbers (13, 14).”
From Evolution of increased glia–neuron ratios in the human frontal cortex (2006) · cites this paper as [14]
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- Authors
- Larsen, C. C., Bonde Larsen, K., Bogdanovic, N., Laursen, H., Græm, N., Badsberg Samuelsen, G., & Pakkenberg, B.
- Affiliations
- Bispebjerg Hospital (DK)
- Rigshospitalet (DK)
- Corresponding author
- Larsen, C.C.
- ORCID
- Pakkenberg, B.
- Venue
- Neuroscience
- Publisher
- Elsevier BV
- Published
- 2006-01
- Volume
- 139
- Issue
- 3
- Pages
- 999-1003
- ISSN
- 0306-4522 (ISSN-L)
- OpenAlex
- W2068291669
- Cited by
- 79
- References
- 24
- Citations by year
- 2026: 1 · 2025: 4 · 2024: 35 · 2022: 1 · 2021: 1 · 2020: 1 · 2019: 2 · 2018: 1 · 2017: 4 · 2016: 4 · 2014: 3 · 2013: 2 · 2012: 5
- FWCI
- 0.84
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Neuroscience (publishedVersion)
- PubMed (publishedVersion)
- Topics
- Life Sciences › Neuroscience › Developmental Neuroscience › Neurogenesis and neuroplasticity mechanisms
- Health Sciences › Medicine › Pediatrics, Perinatology and Child Health › Fetal and Pediatric Neurological Disorders
- Health Sciences › Medicine › Pediatrics, Perinatology and Child Health › Neonatal and fetal brain pathology
- Keywords
- telencephalon, neocortex, cell number estimation, cortical plate, subplate, intermediate zone, subventricular zone, neuron number, gestational age, brain development
- MeSH terms
- Cell Count, Female, Humans, Infant, Newborn, Male, Neuroglia, Neurons, Telencephalon
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