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词汇 metamere
释义

Definition of metamere in English:

metamere

noun ˈmɛtəmɪəˈmɛdəmɪr
Zoology
  • another term for somite
    Example sentencesExamples
    • In the vertebrates the metamere is evident in the embryonic stages and tends to disappear in the adults.
    • Rudimentary tracheal metameres invaginate but lack primary branching and interconnections.
    • An organism is considered metameric when its body is mostly formed of serially repeated anatomical units called metameres.
    • The metameres are visible rings on the outside and are separated by partitions on the inside.
    • Any particular abdominal metamere usually consists of only two sclerites, the tergum and sternum.

Origin

Late 19th century: from meta- 'together with' + Greek meros 'part'.

Definition of metamere in US English:

metamere

nounˈmedəmirˈmɛdəmɪr
Zoology
  • another term for somite
    Example sentencesExamples
    • The metameres are visible rings on the outside and are separated by partitions on the inside.
    • Any particular abdominal metamere usually consists of only two sclerites, the tergum and sternum.
    • An organism is considered metameric when its body is mostly formed of serially repeated anatomical units called metameres.
    • In the vertebrates the metamere is evident in the embryonic stages and tends to disappear in the adults.
    • Rudimentary tracheal metameres invaginate but lack primary branching and interconnections.

Origin

Late 19th century: from meta- ‘together with’ + Greek meros ‘part’.

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