请输入您要查询的英文单词:

 

单词 nemertean
释义

nemertean

/nɛməˈtiːən / /nɪˈməːtɪən /
(also nemertine /ˈnɛmətiːn/ /ˈnɛmətʌɪn/) Zoology
noun
A member of the small phylum Nemertea; a ribbon worm.Such an association of cells and mechanism of precursor translocation have not been reported from nemerteans previously....
  • The organization of the body compartment between the epidermis and gut in nemerteans and flatworms also does not reveal a uniquely similar pattern.
  • Frontal glands have been cited in the classical literature as probable homologues of Platyhelminthes and nemerteans.
adjective
Relating to or denoting nemerteans.The focal stage for this analysis is the early period of embryo encapsulation, a mode of development that has evolved several times among gastropods, polychaetes, nemerteans and flatworms....
  • Consequently, his conclusion that platyhelminths, nemerteans, and rotifers ‘appear to have never had’ a prototroch is not supported by his analysis.
  • Although long considered a character informative for linking nemerteans and platyhelminths, rigorous comparative analyses of protonephridial morphology have revealed no synapomorphies of nemertean and platyhelminth nephridia.

Rhymes

随便看

 

英语词典包含243303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:2025/3/23 5:23:10