Conclusions neurotrophic substances with high activity are present in limbbuds, and limbbuds may become a new source of neurotrophic factors (NTFs).
结论胚胎肢芽内含有较强的促进神经元活性的神经营养活性物质,为神经营养因子提供了新的来源。
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First, they used genetic tools to deactivate cell receptors-molecules that send and receive signals to and from other cells-for testosterone and estrogen in the developing limbbuds of mouse embryos.