무료 CNS formation naming 애니메이션

The top layer of the early trilaminar embryo germ layers (ectoderm, mesoderm and endoderm) formed by gastrulation. The ectoderm can be though of as having 4 early regions: neural plate, neural crest, surface ectoderm and placodes. Note that there are other pages describing neural (central nervous system; brain and spinal cord) and neural crest (peripheral nervous system; sensory and sympathetic ganglia). (embryology)

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