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单词 nauplius
释义

Definition of nauplius in English:

nauplius

nounPlural nauplii ˈnɔːplɪəsˈnôplēəs
Zoology
  • The first larval stage of many crustaceans, having an unsegmented body and a single eye.

    〔动〕(甲壳动物的)无节幼体

    Example sentencesExamples
    • This emphasizes the importance of yolk biosynthesis for the success of the developing nauplii.
    • At hatch, the emerging nauplius is usually confronted with very high salinities.
    • Most metamorphosing malacostracans have a nauplius larva, but in many species eggs hatch into zoea larvae.
    • The externa is immature until a male nauplii settles on it and fuses with it.
    • Some crustaceans hatch young that are like miniature adults; others go through a larval stage called a nauplius.
    • Crustacea are characterized by two pairs of antennae, three pairs of mouthparts, and a special type of larvae called the nauplius
    • Guppies were fed ad libitum flake food three times daily, supplemented with live brine shrimp nauplii.
    • The nauplius basically walks through the water, pushing itself off against the viscous medium which starts to rotate.
    • The shape of the body differs considerably between nauplii and copepodids.
    • Embryos are brooded in the mother's carapace and hatch out as miniature Daphnia, rather than as nauplii.

Origin

Mid 19th century: from Latin, denoting a kind of shellfish, or from the Greek name Nauplios, the son of Poseidon.

Definition of nauplius in US English:

nauplius

nounˈnôplēəs
Zoology
  • The first larval stage of many crustaceans, having an unsegmented body and a single eye.

    〔动〕(甲壳动物的)无节幼体

    Example sentencesExamples
    • Crustacea are characterized by two pairs of antennae, three pairs of mouthparts, and a special type of larvae called the nauplius
    • The shape of the body differs considerably between nauplii and copepodids.
    • At hatch, the emerging nauplius is usually confronted with very high salinities.
    • This emphasizes the importance of yolk biosynthesis for the success of the developing nauplii.
    • Guppies were fed ad libitum flake food three times daily, supplemented with live brine shrimp nauplii.
    • The nauplius basically walks through the water, pushing itself off against the viscous medium which starts to rotate.
    • Most metamorphosing malacostracans have a nauplius larva, but in many species eggs hatch into zoea larvae.
    • Embryos are brooded in the mother's carapace and hatch out as miniature Daphnia, rather than as nauplii.
    • Some crustaceans hatch young that are like miniature adults; others go through a larval stage called a nauplius.
    • The externa is immature until a male nauplii settles on it and fuses with it.

Origin

Mid 19th century: from Latin, denoting a kind of shellfish, or from the Greek name Nauplios, the son of Poseidon.

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更新时间:2024/12/27 0:44:35