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A snapshot of the summary - The developing brain
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Embryonic brain development
This is a preview. There are 13 more flashcards available for chapter 23/11/2015
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Which structures form out of the endoderm?urinary, digestive and respiratory systems
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Which structure comes from the notochord?vertebral column
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Which structure comes from the neural tube?CNS
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How is dorsoventral specification achieved?A network of inductive signals specify the neuron types via specific combination of transcription factors
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What are homeotic genes?Similar genes(HOX genes), are transcription factors that specify segment identity to create anteroposterior specification
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What is hensens node?A knot which moves anterior to posterior relasing more Retinoic acid as it grows, regulating the colinear expression of HOX genes.
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What are the two zones where neuro genesis takes place?Ventricular zone and the sub ventricular zone
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What neurons are generated in the ventricular zone?It are neuroepithelial stem cells which generate projection neurons and are only active during development
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What neurons are generated in the subventricular zone?The germinal zone generates interneurons that migrate to the olfactory bulb and the into the hippocampus and are active throughout life.
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How does radial migration work?Cells go up from the ventricular zone to the cortical plate through the previous layer
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