Prenatal Development of Central Nervous System At the beginning of the 3rd week, developing notochord induces overlying ectoderm to become neuroectoderm. Thus forming an elongated, slipper-shaped plate of thickened ectoderm – the neural plate. Neural plate invaginates and forms neural tube Pre-requirement for folding Notochord Anterior part Forms Forebrain Midbrain Hindbrain This neural plate invaginates,…