外胚层

wài pēi céng

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Definitions

1. ectoderm (cell lineage in embryology)

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Child Words of 外胚层

• 外 外 wài: outside
• 层 层 céng: to pile on top of one another
• 胚 胚 pēi: embryo
• 胚层 胚层 pēi céng: germ layer