Archenteron



the primitive enteron or digestive cavity of a gastrula.
Historical Examples

The notochord would almost appear to arise as a third median and dorsal diverticulum of the archenteron (fig. 180 ch).
The Works of Francis Maitland Balfour, Volume III (of 4) Francis Maitland Balfour

They form the rudiment of the notochord, which, as in Amphioxus, is derived from the dorsal wall of the archenteron.
The Works of Francis Maitland Balfour, Volume III (of 4) Francis Maitland Balfour

In ontogeny the notochord is a derivative of the dorsal wall of the archenteron.
Encyclopaedia Britannica, 11th Edition, Volume 14, Slice 3 Various

It soon becomes shut off from the slit-like posterior part of the archenteron.
The Works of Francis Maitland Balfour, Volume III (of 4) Francis Maitland Balfour

The other part of the archenteron wall make the Allantois, the hind gut and the bladder.
The Ethics of Medical Homicide and Mutilation Austin O’Malley

In the tail the notochord is shewn at ch, the muscles at m, and the solid remnant of the ventral wall of the archenteron at dd.
The Works of Francis Maitland Balfour, Volume III (of 4) Francis Maitland Balfour

The mesoblast is developed from the walls of hollow outgrowths of the archenteron, the cavities of which become the body cavity.
The Works of Francis Maitland Balfour, Volume III (of 4) Francis Maitland Balfour

It has already been stated that the lateral walls of the archenteron in the tail give rise to muscular cells.
The Works of Francis Maitland Balfour, Volume III (of 4) Francis Maitland Balfour

While the above external changes take place the archenteron undergoes considerable modifications.
The Works of Francis Maitland Balfour, Volume II (of 4) Francis Maitland Balfour

The greater part of the mesoblast is developed from the walls of the archenteron.
The Works of Francis Maitland Balfour, Volume 1 Francis Maitland Balfour

noun
the cavity within an embryo at the gastrula stage of development that eventually becomes the digestive cavity

archenteron ar·chen·ter·on (är-kěn’tə-rŏn’, -tər-ən)
n.
See gastrocele.

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