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archenteron

Syllabification: arch·en·ter·on
Pronunciation: /ärkˈen(t)əˌrän
 
/

Definition of archenteron in English:

noun

Embryology
The rudimentary alimentary cavity of an embryo at the gastrula stage.
Example sentences
  • 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.
  • The mesoderm then lies immediately beneath the ectoderm, with the endoderm lining the roof of the archenteron, the future gut.

Origin

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

Definition of archenteron in:

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