请输入您要查询的英文单词:

 

单词 atoke
释义

atoken.

/ˈatəʊk/
Etymology: German (E. Ehlers Die Borstenwürmer (1868) ii. 453), < Greek ἄτοκος , < ἀ- privative (a- prefix6) + τόκος birth.
The sexless part of certain polychætous worms.
ΘΚΠ
the world > animals > invertebrates > subkingdom Metazoa > grade Triploblastica or Coelomata > phylum Annelida > [noun] > class Chaetopoda > order Polychaeta > member of > sexless part of
atoke1903
1903 J. S. Kingsley tr. Hertwig Man. Zool. 311 The atoke..forms chains of dimorphic individuals which later separate.
1916 H. S. Pratt Man. Invertebr. Animals 283 In many (Polychæta) the anterior part of the body is sexless and is called the atoke, while the hinder part is sexual and is called the epitoke.

Derivatives

atokal adj. /ˈætəkəl/ non-sexual; producing only asexual progeny.
ΚΠ
1904 Jrnl. Royal Microsc. Soc. 183 The total length [of the marine worm palolo] averages 400 mm., about one-fourth of which is in the anterior atokal part.
atokous adj. /ˈætəkəs/ = atokal adj.
ΘΚΠ
the world > animals > invertebrates > subkingdom Metazoa > grade Triploblastica or Coelomata > phylum Annelida > [adjective] > belonging to class Chaetopoda > belonging to order Polychaeta > non-sexual (of part)
atokous1896
1896 Cambr. Nat. Hist. ii. 277 Ehlers employed the term ‘epitokous’, whilst he called the ‘Nereid’ phase ‘atokous’, under the impression that the worm did not become mature in this condition.
This entry has not yet been fully updated (first published 1933; most recently modified version published online March 2021).
<
n.1896
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:2024/12/25 10:12:32