gastraea
/^æs'tri:ә/
中文翻译
n. 原肠动物
英文解释
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.
常见例句
1
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
相关词组
1
原肠祖科