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词汇 chordate
释义

Definition of chordate in English:

chordate

noun ˈkɔːdeɪt
Zoology
  • An animal of the large phylum Chordata, comprising the vertebrates together with the sea squirts and lancelets.

    Example sentencesExamples
    • The zooplankton include chordate jellyfishes known as ‘salps,’ which are among the fastest-growing multicellular organisms on the planet.
    • As an initial matter, the echinoderms and chordate phyla have been arranged in almost every possible phylogenetic order.
    • Arthropods, chordates and annelids are the three segmented phyla in the animal kingdom.
    • Into the early 1990s most researchers and evidence suggested that the deuterostomes were composed of chordates, hemichordates, echinoderms, chaetognaths, and lophophorates.
    • Notochords are the axial skeleton of invertebrate chordates (cephalochordates, appendicularians, and tadpole larvae of ascidians), of agnathan fish, and of amphibian tadpoles.
adjective ˈkɔːdeɪt
Zoology
  • Relating to or denoting chordates.

    Example sentencesExamples
    • The timing of expansion coincides with proposed large-scale duplication event in the chordate lineage.
    • Surely a more penetrating expedition into invertebrate diversity was required to dig up the precursors of the chordate characteristics.
    • Scenarios of pituitary evolution traditionally focused on the base of the chordates consistent with the exclusively chordate nature of the pituitary structure.
    • In similar reciprocal comparisons assuming minimum evolution, the arthropod map is united with the chordate map by three transformations.
    • They are small fish-like organisms in which the chordate characters are retained in the adult.

Definition of chordate in US English:

chordate

noun
Zoology
  • An animal of the large phylum Chordata, comprising the vertebrates together with the sea squirts and lancelets.

    Example sentencesExamples
    • Notochords are the axial skeleton of invertebrate chordates (cephalochordates, appendicularians, and tadpole larvae of ascidians), of agnathan fish, and of amphibian tadpoles.
    • The zooplankton include chordate jellyfishes known as ‘salps,’ which are among the fastest-growing multicellular organisms on the planet.
    • Into the early 1990s most researchers and evidence suggested that the deuterostomes were composed of chordates, hemichordates, echinoderms, chaetognaths, and lophophorates.
    • As an initial matter, the echinoderms and chordate phyla have been arranged in almost every possible phylogenetic order.
    • Arthropods, chordates and annelids are the three segmented phyla in the animal kingdom.
adjective
Zoology
  • Relating to or denoting chordates.

    Example sentencesExamples
    • Surely a more penetrating expedition into invertebrate diversity was required to dig up the precursors of the chordate characteristics.
    • Scenarios of pituitary evolution traditionally focused on the base of the chordates consistent with the exclusively chordate nature of the pituitary structure.
    • They are small fish-like organisms in which the chordate characters are retained in the adult.
    • The timing of expansion coincides with proposed large-scale duplication event in the chordate lineage.
    • In similar reciprocal comparisons assuming minimum evolution, the arthropod map is united with the chordate map by three transformations.
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