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单词 urochordate
释义

Definition of urochordate in English:

urochordate

noun jʊərə(ʊ)ˈkɔːdeɪt-ˌdāt
Zoology
  • A marine invertebrate of the group Urochordata, which comprises the tunicates.

    Example sentencesExamples
    • Their report that urochordates are comprised of 4 discrete lineages holds interesting implications for understanding the evolution of tadpole morphology and chordate life history.
    • Chordates are divided into urochordates, cephalochordates, and vertebrates.
    • For instance, adult urochordates are typically sessile, while many vertebrates are quite active.
    • In particular, there is a significant phylogenetic gap in information for the urochordates, a subphylum near the invertebrate-vertebrate transition.
    • The urochordates or tunicates are sessile (attached to the bottom) marine filter-feeders, and rather sponge-like as adults.
adjective jʊərə(ʊ)ˈkɔːdeɪt-ˌdāt
Zoology
  • Relating to or denoting urochordates.

    Example sentencesExamples
    • These data further support the hypothesis that duplication and differentiation giving rise to cardiac and skeletal genes occurred following divergence of the urochordate and vertebrate ancestors.
    • The phylogenic analysis implies that the multiple actinin isoforms found in modern vertebrates arose after the divergence of the vertebrate and urochordate lineages.
    • This suggests that the disruption observed is specific to the urochordate lineage.
    • The authors added many new hemichordate and urochordate taxa to the database and found strongly supported relationships among the major deuterostome groups.
 
 

Definition of urochordate in US English:

urochordate

noun-ˌdāt
Zoology
  • A marine invertebrate of the group Urochordata, which comprises the tunicates.

    Example sentencesExamples
    • Chordates are divided into urochordates, cephalochordates, and vertebrates.
    • In particular, there is a significant phylogenetic gap in information for the urochordates, a subphylum near the invertebrate-vertebrate transition.
    • The urochordates or tunicates are sessile (attached to the bottom) marine filter-feeders, and rather sponge-like as adults.
    • Their report that urochordates are comprised of 4 discrete lineages holds interesting implications for understanding the evolution of tadpole morphology and chordate life history.
    • For instance, adult urochordates are typically sessile, while many vertebrates are quite active.
adjective-ˌdāt
Zoology
  • Relating to or denoting urochordates.

    Example sentencesExamples
    • These data further support the hypothesis that duplication and differentiation giving rise to cardiac and skeletal genes occurred following divergence of the urochordate and vertebrate ancestors.
    • This suggests that the disruption observed is specific to the urochordate lineage.
    • The authors added many new hemichordate and urochordate taxa to the database and found strongly supported relationships among the major deuterostome groups.
    • The phylogenic analysis implies that the multiple actinin isoforms found in modern vertebrates arose after the divergence of the vertebrate and urochordate lineages.
 
 
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更新时间:2024/12/25 0:52:02