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Development of the Central Nervous System
Morphogenisis and the Change in the Shape of Cell
Development of the neural tube in human embryos (Prentiss-Arey). A: An early embryo (Keibel) B: At 2 mm. (Graf Spee) C: At 2 mm. (Mall) D: At 2.7 mm (Kollmann).
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"Development of the neural tube."
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