简体中文版 | English Version | EBooks(電子書)

EnMama.net

Gastraea

[gæs'tri:ә]

解釋/意思:

(n.) A primeval larval form; a double-walled sac from which, according to the hypothesis of Haeckel, man and all other animals, that in the first stages of their individual evolution pass through a two-layered structural stage, or gastrula form, must have descended. This idea constitutes the Gastraea theory of Haeckel. See Gastrula.

贾维斯整理

About(关于我们)|Sitemap(网站地图)

Copyright © 2018 EnMama.net. All rights reserved.