Neurogenesis
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Neurogenesis is the process by which nervous system cells, the neurons, are produced by neural stem cells. This occurs in all species of animals except the porifera and placozoans. Types of NSCs inclu
Stages of neuronal development in the fetal cerebral cortex
Adult neurogenesis
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Adult neurogenesis is the process in which neurons are generated from neural stem cells in the adult. This process differs from prenatal neurogenesis.
Neurogenesis
…much more extended cell cycle than those that go through proliferative divisions, such as the radial glial cells and basal progenitors. In the human, adult neurogenesis has been shown to occur at low levels compared with development, and in only three regions of the brain: the adult subventricular zone (SVZ) of the…
BrdU (red), a marker of DNA replication, highlights neurogenesis in the subgranular zone of hippocampal dentate gyrus. Fragment of an illustration from Faiz et al., 2005.
Summary of the signalling pathways in the neural stem cell microenvironment.