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Figure 1 | Neural Development

Figure 1

From: Neurogenesis in the central olfactory pathway of adult decapod crustaceans: development of the neurogenic niche in the brains of procambarid crayfish

Figure 1

The neurogenic system in the brain of the adult crayfish Procambarus clarkii (modified from [31]). Schematic diagram of the crayfish neurogenic system in the deutocerebrum. Neuronal precursors (first generation) with glial characteristics reside within the neurogenic niche where they divide symmetrically. Their daughters (second-generation precursors) migrate along tracts formed by the fibers of the niche cells, towards either the LPZ or the MPZ. At least one more division occurs in the LPZ and MPZ before the progeny (third and successive generations) differentiate into neurons. Abbreviations: LPZ, lateral proliferative zone; MPZ, medial proliferative zone.

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