请输入您要查询的英文单词:

 

单词 gonangium
释义 gonangium Zool.|gɒˈnændʒɪəm|
Pl. -ia.
[mod.L., f. Gr. γόν-ος generation + ἀγγεῖον vessel.]
An external chitinous receptacle within which, in the calyptoblastic genera of Hydrozoa, the sporosacs or planoblasts are developed. Hence goˈnangial a.
1871Allman Gymnoblastic Hydroids 26 Peculiar receptacles—the gonangia—destined for the protection of the sexual buds.Ibid. 47 In some cases the contents of the gonangium escape.1877Huxley Anat. Inv. Anim. iii. 131 The gonophore contained in a gonangium.Ibid. In the genus Aglaophenia groups of gonangia are enclosed in a common receptacle.
随便看

 

英语词典包含277258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:2024/9/19 8:57:49