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Radial glial cells, also called radial glial progenitor cells, divide asymmetrically to produce a neuroblast and another radial glial cell that will re-enter the cell cycle. [5] [3] This mitosis occurs in the germinal neuroepithelium (or germinal zone), when a radial glial cell divides to produce the neuroblast. The neuroblast detaches from the ...
Radial glial cells, or radial glial progenitor cells (RGPs), are bipolar-shaped progenitor cells that are responsible for producing all of the neurons in the cerebral cortex. RGPs also produce certain lineages of glia , including astrocytes and oligodendrocytes .
Many of the neuroepithelial cells also divide into radial glial cells, a similar, but more fate restricted cell. Being a more fate restricted cell the radial glial cell will either generate postmitotic neurons, intermediate progenitor cells, or astrocytes in gliogenesis. During neuroepithelial cell division, interkinetic nuclear migration ...
The dorsal telencephalon becomes the cerebral cortex, and contains the Tbr2-labeled cells. CP, cortical plate; LV, lateral ventricle; MGE, medial ganglionic eminence. In vertebrates, the ventricular zone (VZ) is a transient embryonic layer of tissue containing neural stem cells, principally radial glial cells, of the central nervous system (CNS).
These early stem cells are called neuroepithelial cells (NEC)s, but soon take on a highly elongated radial morphology and are then known as radial glial cells (RGC)s. [3] RGCs are the primary stem cells of the mammalian CNS, and reside in the embryonic ventricular zone , which lies adjacent to the central fluid-filled cavity ( ventricular ...
The subventricular zone (SVZ) is a region situated on the outside wall of each lateral ventricle of the vertebrate brain. [2] It is present in both the embryonic and adult brain. In embryonic life, the SVZ refers to a secondary proliferative zone containing neural progenitor cells, which divide to produce neurons in the process of neurogenesis. [3]