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单词 archenteron
释义

Definition of archenteron in English:

archenteron

noun ɑːˈkɛntərɒnärkˈen(t)əˌrän
Embryology
  • The rudimentary alimentary cavity of an embryo at the gastrula stage.

    Example sentencesExamples
    • The mesoderm then lies immediately beneath the ectoderm, with the endoderm lining the roof of the archenteron, the future gut.
    • It doesn't seem to do much of anything, except to offer little suggestions to cells migrating into the archenteron.
    • In the fossils I and J, the archenteron is thick-walled, and in J all of the cells in the embryo, including the ectodermal wall, are conspicuously larger relative to the size of the embryo.
    Synonyms
    space, chamber, hollow, hole, pocket, pouch

Origin

Late 19th century: from Greek arkhē 'beginning' + enteron 'intestine'.

 
 

Definition of archenteron in US English:

archenteron

nounärkˈen(t)əˌrän
Embryology
  • The rudimentary alimentary cavity of an embryo at the gastrula stage.

    Example sentencesExamples
    • In the fossils I and J, the archenteron is thick-walled, and in J all of the cells in the embryo, including the ectodermal wall, are conspicuously larger relative to the size of the embryo.
    • It doesn't seem to do much of anything, except to offer little suggestions to cells migrating into the archenteron.
    • The mesoderm then lies immediately beneath the ectoderm, with the endoderm lining the roof of the archenteron, the future gut.
    Synonyms
    space, chamber, hollow, hole, pocket, pouch

Origin

Late 19th century: from Greek arkhē ‘beginning’ + enteron ‘intestine’.

 
 
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更新时间:2024/12/23 19:00:45