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  • WordNet 3.6
    • n archenteron central cavity of the gastrula; becomes the intestinal or digestive cavity
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Webster's Revised Unabridged Dictionary
    • n Archenteron (Biol) The primitive enteron or undifferentiated digestive sac of a gastrula or other embryo. See Illust. under Invagination.
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Century Dictionary and Cyclopedia
    • n archenteron The enteron (which see) in its original or primitive undifferentiated state: opposed to metenteron.
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Webster's Revised Unabridged Dictionary
Pref. arch-, + Gr. intestine


In literature:

Finally, we note two series of buds of cells, one on either side of the archenteron in Figure 7 ii.
"Text Book of Biology, Part 1: Vertebrata" by H. G. Wells
The archenteron gives off two lateral pounchs and thus becomes trilobed.
"Encyclopaedia Britannica, 11th Edition, Volume 5, Slice 7" by Various
In ontogeny the notochord is a derivative of the dorsal wall of the archenteron.
"Encyclopaedia Britannica, 11th Edition, Volume 14, Slice 3" by Various
Formation of archenteron and blastopore may, however, be deferred till a later stage (actinula or after).
"Encyclopaedia Britannica, 11th Edition, Volume 14, Slice 2" by Various
The blastopore leads into the archenteron.
"The Works of Francis Maitland Balfour, Volume 1" by Francis Maitland Balfour