胚层

pēi céng

释义

1. germ layer
2. layer of tissue in embryology

包含 胚层 的词语

• 三胚层动物 sān pēi céng dòng wù: triploblastic animals (having three germ layers)
• 中胚层 zhōng pēi céng: mesoderm (cell lineage in embryology)
• 内胚层 nèi pēi céng: endoderm (cell lineage in embryology)
• 外胚层 wài pēi céng: ectoderm (cell lineage in embryology)

胚层 的构成词

• 层 céng: to pile on top of one another
• 胚 pēi: embryo