“内胚层”造句

这些细胞称为内胚层细胞.
These cells are known as endodermal cells.

这些表皮细胞在胚胎学上把源于支气管生长过程中的前内脏叫内胚层.
These epithelial elements arise embryologically from foregut endoderm in the process of bronchial tubular growth.