请输入您要查询的英文单词：

　

单词 pseudogastrula
释义

Definition of pseudogastrula in English:

pseudogastrula

noun
Zoology rare

  • A blastula which has undergone invagination prior to gastrulation; specifically (in certain calcareous sponges) one in which the archaeocytes of one hemisphere have become completely enclosed by flagellated cells of the other (before half of these lose their flagella to produce the amphiblastula).

Origin

Late 19th century; earliest use found in American Naturalist.

 
 

Definition of pseudogastrula in US English:

pseudogastrula

noun
Zoology rare

  • A blastula which has undergone invagination prior to gastrulation; specifically (in certain calcareous sponges) one in which the archaeocytes of one hemisphere have become completely enclosed by flagellated cells of the other (before half of these lose their flagella to produce the amphiblastula).

Origin

Late 19th century; earliest use found in American Naturalist.

 
 
随便看

　

英语词典包含464360条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。

　

Copyright © 2004-2022 Newdu.com All Rights Reserved
更新时间：2024/11/10 19:00:24