amniota
基本解釋
- 羊膜動(dòng)物,羊膜類
專業(yè)釋義
- 羊膜動(dòng)物
In the process of spermiogenesis of tetrapoda,acrosomal vesicle does not appear in amphibian,but acrosomal vesicle appears in amniota(reptile,birds and mammals).
在四足動(dòng)物精子形成過程中,兩棲類沒有頂體顆粒,而爬行類、鳥類和哺乳類等羊膜動(dòng)物均出現(xiàn)頂體顆粒。 - 羊膜類