网站首页  词典首页

请输入您要查询的词汇:

 

词汇 osculum
释义

Definition of osculum in English:

osculum

nounPlural oscula ˈɒskjʊləmˈɑskjələm
Zoology
  • A large aperture in a sponge through which water is expelled.

    〔动〕(海绵的)出水孔

    Example sentencesExamples
    • The hole closes and it is not until some days later that the sponge forms an osculum at its apical pole.
    • Syconoid sponges tend to be larger than asconoids and have a tubular body with a single osculum.
    • Spicules first appeared 2 days after release from the parent and an osculum was first seen in 9-day old settled juveniles.
    • Sponges will react by closing ostia or oscula, either because of direct physical stimulation or when suspended particles within the sponge are too large or highly concentrated.
    • In budding, aggregates of cells differentiate into small sponges that are released superficially or expelled through the oscula.

Origin

Early 17th century: from Latin 'little mouth'.

Definition of osculum in US English:

osculum

nounˈäskyələmˈɑskjələm
Zoology
  • A large aperture in a sponge through which water is expelled.

    〔动〕(海绵的)出水孔

    Example sentencesExamples
    • In budding, aggregates of cells differentiate into small sponges that are released superficially or expelled through the oscula.
    • The hole closes and it is not until some days later that the sponge forms an osculum at its apical pole.
    • Sponges will react by closing ostia or oscula, either because of direct physical stimulation or when suspended particles within the sponge are too large or highly concentrated.
    • Spicules first appeared 2 days after release from the parent and an osculum was first seen in 9-day old settled juveniles.
    • Syconoid sponges tend to be larger than asconoids and have a tubular body with a single osculum.

Origin

Early 17th century: from Latin ‘little mouth’.

随便看

 

春雷网英语在线翻译词典收录了464360条英语词汇在线翻译词条,基本涵盖了全部常用英语词汇的中英文双语翻译及用法,是英语学习的有利工具。

 

Copyright © 2000-2024 Sndmkt.com All Rights Reserved 更新时间:2024/12/28 15:17:36