请输入您要查询的英文单词:

 

单词 ocular plate
释义

> as lemmas

ocular plate
ocular plate n. [so called because it was originally supposed to bear an eye] Zoology each of five small plates located between the genital plates of the test of a sea urchin.
ΚΠ
1873 C. W. Thomson Depths of Sea iii. 109 We have thus the three anterior ambulacra ending in their ocular plates, meeting at one point, where there are likewise four genital plates.
1963 G. A. Kerkut Borradaile & Potts's Invertebrata (rev. ed.) xvii. 688 At the aboral pole each radius ends in a single ocular plate, which bears the opening of the terminal tentacle.
1994 E. E. Ruppert & R. D. Barnes Invertebr. Zool. (ed. 6) xviii. 953/1 The genital plates, each of which bears a gonopore, line up with interambulacral areas and alternate with the ocular plates.
extracted from ocularn.adj.
<
as lemmas
随便看

 

英语词典包含1132095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:2024/12/24 21:04:21