Mode of cell migration to the superficial layers of fetal monkey neocortex

@article{Raki1972ModeOC,
  title={Mode of cell migration to the superficial layers of fetal monkey neocortex},
  author={Pasko Raki{\'c}},
  journal={Journal of Comparative Neurology},
  year={1972},
  volume={145}
}
  • P. Rakić
  • Published 1 May 1972
  • Biology
  • Journal of Comparative Neurology
Golgi and electronmicroscopic methods were used to define the shapes and intercellular relationships of cells migrating from their sites of origin near the ventricular surface across the intermediate zone to the superficial neocortical layers of the parietooccipital region in the brains of 75‐ to 97‐day monkey fetuses. After mitotic division in either ventricular or subventricular zones, the cells enter the intermediate zone and assume an elongated bipolar form oriented toward the cortical… 
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References

SHOWING 1-10 OF 15 REFERENCES
Cell migrations to the isocortex in the rat
Cells that took up tritiated thymidine (H‐3T) at various periods of intrauterine and early infant life in the periventricular proliferative zone and migrated to form the isocortex in the rat were
The migration of neuroblasts in the developing cerebral cortex.
TLDR
In a study employing an autoradiographic technique in which tritiated thymidine was used, Angevine & Sidman (1961) concluded that the pattern of migration of the neuroblasts of the developing cerebral cortex was the reverse of that proposed by Tilney.
Embryonal and Postembryonal Development of Neurons of the Human Cerebral Cortex
The most characteristic feature of the cortical organisation, distinct from the nuclear and reticular subcortical formations, is that in its structure a multilayer and multi-level screen is present,
MICROTUBULES AND FILAMENTS IN THE AXONS AND ASTROCYTES OF EARLY POSTNATAL RAT OPTIC NERVES
TLDR
Observed changes in the population of microtubules and filaments within the cytoplasm of maturing axons and astrocytes have been studied during the early postnatal development of rat optic nerves suggest that the Filaments within axonsand astroCytes may be formed by the breakdown ofmicrotubules.
Autoradiographic Study of Cell Migration during Histogenesis of Cerebral Cortex in the Mouse
TLDR
When the autoradiographic method is applied to tissues of animals killed serially, one can determine the time and place of origin of cells, their route and rate of migration, and their ultimate fate.
The Golgi-Cox Technique
TLDR
The image of tangled and overlapping neural processes produced by the Golgi method is indeed more reminiscent of electronic wiring than are histological brain pictures provided by any other technique.
Embryonic vertebrate central nervous system: Revised terminology
TLDR
A revision is proposed in which the four fundamental zones are termed the ventricular, subventricular, intermediate, and marginal zones, each defined according to the form, behavior, and fate of its constituent cells.
Modality and topographic properties of single neurons of cat's somatic sensory cortex.
TLDR
Observations upon the modality and topographical attributes of single neurons of the first somatic sensory area of the cat’s cerebral cortex, the analogue of the cortex of the postcentral gyrus in the primate brain, support an hypothesis of the functional organization of this cortical area.
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