The glial fascicle: an ontogenic and phylogenic unit guiding, supplying and distributing mammalian cortical neurons - PubMed (original) (raw)
Comparative Study
. 1993 Dec 17;76(2):272-7.
doi: 10.1016/0165-3806(93)90218-y.
Affiliations
- PMID: 8149596
- DOI: 10.1016/0165-3806(93)90218-y
Comparative Study
The glial fascicle: an ontogenic and phylogenic unit guiding, supplying and distributing mammalian cortical neurons
P Gressens et al. Brain Res Dev Brain Res. 1993.
Abstract
Neurons destined for the mammalian neocortex migrate along radial glial cells (RGCs). This paper describes a comparative study of RGCs in the mouse, rat, hamster, cat and human fetus, selected as representative species of mammalian evolution. The glial fascicles display constant features throughout these species: they consist of 4-10 RGCs filled with glycogen. The glial fascicle guides and probably supplies metabolites to the migrating neurons and organizes the vertical lamination of the developing neocortical plate. The neuronal-glial unit which consists of the RGCs and their affiliated migrating neurons is conserved throughout the species studied, suggesting a designation as a phylogenic unit.
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