单词prosencephalon
n.: 前脑;壮年人发达的脑部
〔解〕前脑
前脑;壮年人发达的脑部〔包括间脑和大脑半球〕
The amb-prosencephalon protruded outward and formed optic vesicle, and anterior and posterior neuropore had closed at the 8th stage;
第8期前脑的两侧向外突出形成圆形凸起(视泡),前后神经孔已闭合;