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词汇 veliger
释义

Definition of veliger in English:

veliger

noun ˈviːlɪdʒəˈvēlə-
Zoology
  • The final larval stage of certain molluscs, having two ciliated flaps for swimming and feeding.

    〔动〕面盘幼体,缘膜幼体

    Example sentencesExamples
    • We did no detailed analysis of the larvae produced from these eggs but they were, based on casual observation, the lecithotrophic veligers described by Sisson.
    • Most marine bivalves go through a trochophore stage before turning into a free-swimming veliger larva.
    • The veliger usually metamorphoses in 5-6 days.
    • As all the Trochoidea, Cittarium pica has a lecitotrophic development and has a relatively short veliger phase.
    • Torsion takes place during the veliger stage, usually very rapidly.

Origin

Late 19th century: from velum + Latin -ger 'bearing'.

Definition of veliger in US English:

veliger

nounˈvēlə-
Zoology
  • The final larval stage of certain mollusks, having two ciliated flaps for swimming and feeding.

    〔动〕面盘幼体,缘膜幼体

    Example sentencesExamples
    • We did no detailed analysis of the larvae produced from these eggs but they were, based on casual observation, the lecithotrophic veligers described by Sisson.
    • As all the Trochoidea, Cittarium pica has a lecitotrophic development and has a relatively short veliger phase.
    • Torsion takes place during the veliger stage, usually very rapidly.
    • The veliger usually metamorphoses in 5-6 days.
    • Most marine bivalves go through a trochophore stage before turning into a free-swimming veliger larva.

Origin

Late 19th century: from velum + Latin -ger ‘bearing’.

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