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neurulation
neurulation Neurulation is an early stage of embryonic development in chordates in which movements of the ectoderm form the neural plate, neural crest, and neural tube.
Neurulation is an early stage of embryonic development in chordates in which movements of the ectoderm form the neural plate, neural crest, and neural tube. If the neural groove does not close properly during this process, neural tube defects can result.