Crossword-Solution: ARCHENTERON
Dictionary
| Word | Word Type | Definition |
|---|---|---|
| Archenteron | n. | The primitive enteron or undifferentiated digestive sac of a gastrula or other embryo. See Illust. under Invagination. |
We have 1 clue for the answer “ARCHENTERON”
| Clue | Answers |
|---|---|
| in the developing embryo, the primitive gut | 1 answer |
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Kind of apple
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Hint 1 meaning
One who, or that which, eats.
Hint 2 anagram
TAREE
Hint 3 another clue
greedy person
13 +1
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Sentences with ARCHENTERON (5)
Ray-Lankester suggested three years afterwards (1875) the name _archenteron_ for the primitive gut, and _blastoporus_ for the primitive mouth.
This subject was followed up in two papers which appeared in 1867[387] and 1877.[388] In his papers on Amphioxus Kowalevsky made out the main features in the development of this primitive form, and showed that the chief organs were formed in essentially the same way as in Vertebrates; he described the formation of the archenteron by invagination, the appearance of the medullary folds, which coalesced to form the neural canal, the formation of the notochord and of the gill-slits.
There exist, doubtless, homologies of great atavistic importance--I consider as such, for example, the formation of the cavity of Rusconi [the archenteron] in Ascidians and lower Vertebrates.
With the notochord he homologised the supporting rod in the proboscis of _Balanoglossus_, which like the notochord arises from the dorsal wall of the archenteron, and has a vacuolated structure.
The derivation of all the Metazoa from a single ancestral form, the Gastræa, leads to the conclusion that the types are not distinct from one another as Cuvier and von Baer supposed, but agree in the one essential point, in the possession of an _archenteron_ (Lankester, 1875), and an ectoderm and endoderm which are homologous throughout all the Metazoan phyla.