Embryonic development: Earlier origin of neural crest cells

ScienceDaily
Oct 22, 2019, 5:44 pm134 pts
Neural crest cells have been thought to originate in the ectoderm, the outermost of the three germ layers formed in the earliest stages of embryonic development. But their capacity to form derivatives like bone and tooth-forming cells defies fundamental concepts in developmental and stem cell biology. A…

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