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词汇 vibraculum
释义

Definition of vibraculum in English:

vibraculum

nounPlural vibracula vɪˈbrakjʊləmvʌɪˈbrakjʊləmvīˈbrakyələm
Zoology
  • (in some bryozoans) any of a number of modified zooids that bear a long whiplike seta, serving to prevent other organisms from settling on the colony.

    〔动〕(某些苔藓虫)振鞭体;鞭器。比较AVICULARIUM

    Compare with avicularium
    Example sentencesExamples
    • In other species of bryozoan, ‘protective’ individuals called vibracula have the shape of a long bristle which moves like a whip; other species have protective spines at the open end of a branch.
    • Other zooids include the avicularia, where the operculum has been modified into a jaw, and the vibracula where the operculum has been modified into a bristle.
    • They may be polymorphic with ovicells, vibracula, kenozooids, and/or avicularia in addition to autozooids.
    • Some species are provided with avicularia and vibracula; some with avicularia alone, and a few with vibracula alone.
    • In Ectoprocta there are similar specialized zooids, avacularia, vibracula, and gonozooids.

Derivatives

  • vibracular

  • adjective
    Zoology

Origin

Mid 19th century: modern Latin, from Latin vibrare (see vibrate).

Definition of vibraculum in US English:

vibraculum

nounvīˈbrakyələm
Zoology
  • (in some bryozoans) any of a number of modified zooids that bear a long whiplike seta, serving to prevent other organisms from settling on the colony.

    〔动〕(某些苔藓虫)振鞭体;鞭器。比较AVICULARIUM

    Compare with avicularium
    Example sentencesExamples
    • They may be polymorphic with ovicells, vibracula, kenozooids, and/or avicularia in addition to autozooids.
    • Other zooids include the avicularia, where the operculum has been modified into a jaw, and the vibracula where the operculum has been modified into a bristle.
    • Some species are provided with avicularia and vibracula; some with avicularia alone, and a few with vibracula alone.
    • In Ectoprocta there are similar specialized zooids, avacularia, vibracula, and gonozooids.
    • In other species of bryozoan, ‘protective’ individuals called vibracula have the shape of a long bristle which moves like a whip; other species have protective spines at the open end of a branch.

Origin

Mid 19th century: modern Latin, from Latin vibrare (see vibrate).

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