MAKE A MEME View Large Image Embryonic Development CNS.png en Formation of the neural tube cross view Early in an embryo ™s development a strip of specialized cells called the notochord A induces the cells of the ectoderm directly above it to become the primitive ...
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Keywords: Embryonic Development CNS.png en Formation of the neural tube cross view Early in an embryo ™s development a strip of specialized cells called the notochord A induces the cells of the ectoderm directly above it to become the primitive nervous system i e neuroepithelium The neuroepithelium then wrinkles and folds over B As the tips of the folds fuse together a hollow tube i e the neural tube forms C ”the precursor of the brain and spinal cord Meanwhile the ectoderm and endoderm continue to curve around and fuse beneath the embryo to create the body cavity completing the transformation of the embryo from a flattened disk to a three “dimensional body Cells originating from the fused tips of the neuroectoderm i e neural crest cells migrate to various locations throughout the embryo where they will initiate the development of diverse body structures D Researchers investigating fetal alcohol syndrome have extensively studied neural crest cells because they are particularly sensitive to alcohol “induced injury and cell death 2012-04-04 http //www niaaa nih gov/Resources/GraphicsGallery/FetalAlcoholSyndrome/Pages/Embryonic aspx Source Goodlett C R and Horn K H Mechanisms of alcohol “induced damage to the developing nervous system Alcohol Research Health 25 3 175 “184 2001 PD-USGov Uploaded with UploadWizard Embryology Neural crest Original upload log wikitable - - 2012-04-04 18 33 04 350 × 325 23577 bytes Bobjgalindo <nowiki></nowiki>
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