请输入您要查询的英文单词:

 

单词 cyclostome
释义

Definition of cyclostome in English:

cyclostome

nounˈsʌɪklə(ʊ)stəʊmˈsīkləˌstōm
Zoology
  • An eel-like jawless vertebrate with a round sucking mouth, of a former group that included the lampreys and hagfishes.

    〔动〕圆口类脊椎动物

    Subclass Cyclostomata, now incorporated in the superclass Agnatha

    Example sentencesExamples
    • The skeleton of cyclostomes furnishes far fewer taxonomic characters than that of the more complex cheilostomes.
    • Similar structures described in other cyclostomes appear to indicate attachment to originally flexible substrates, particularly algae.
    • This extant species has erect jointed colonies, an articulated growth-form which seemingly evolved convergently with that of crisiid cyclostomes.
    • The presence of a luteal like structure in cyclostomes has been observed but its function is still unclear.
    • Data concerning key evolutionary invertebrate and vertebrate groups, the protochordates, chondrichthyes and cyclostomes, are essential to establish evolutionary patterns of the peptides.

Origin

Mid 19th century: from cyclo- + Greek stoma 'mouth'.

Definition of cyclostome in US English:

cyclostome

nounˈsīkləˌstōm
Zoology
  • An eel-like jawless vertebrate with a round sucking mouth, of a former group that included the lampreys and hagfishes.

    〔动〕圆口类脊椎动物

    Subclass Cyclostomata, now incorporated in the superclass Agnatha

    Example sentencesExamples
    • This extant species has erect jointed colonies, an articulated growth-form which seemingly evolved convergently with that of crisiid cyclostomes.
    • Data concerning key evolutionary invertebrate and vertebrate groups, the protochordates, chondrichthyes and cyclostomes, are essential to establish evolutionary patterns of the peptides.
    • The presence of a luteal like structure in cyclostomes has been observed but its function is still unclear.
    • Similar structures described in other cyclostomes appear to indicate attachment to originally flexible substrates, particularly algae.
    • The skeleton of cyclostomes furnishes far fewer taxonomic characters than that of the more complex cheilostomes.

Origin

Mid 19th century: from cyclo- + Greek stoma ‘mouth’.

随便看

 

英汉双解词典包含464360条英汉词条,基本涵盖了全部常用单词的翻译及用法,是英语学习的有利工具。

 

Copyright © 2004-2022 Newdu.com All Rights Reserved
更新时间:2025/1/15 3:27:12