endoderm
n.内胚叶，内皮层
网络解释.内胚层；内层
双语例句
1. 1 . These epithelial elements arise embryologically from foregut endoderm in the process of bronchial tubular growth.
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.
来自辞典例句
n.内胚叶，内皮层
网络解释.内胚层；内层