archenteron

American  

[ahr-ken-tuh-ron] / ɑrˈkɛn təˌrɒn /

noun

Embryology.

plural

archentera

1. the primitive enteron or digestive cavity of a gastrula.

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archenteron British  

/ ɑːˈkɛntəˌrɒn, ˌɑːkənˈtɛrɪk /

noun

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

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Other Word Forms

• archenteric adjective

Etymology

Origin of archenteron

1875–80; arch- ² + enteron ( def. )

Example Sentences

The pore or opening leading into the cavity of invagination, or archenteron.

From Project Gutenberg

The archenteron gives off two lateral pounchs and thus becomes trilobed.

From Project Gutenberg

In the direct development Bateson showed that the three divisions of the coelom arise as pouches constricted off from the archenteron or primitive gut, thus resembling the development of the mesoblastic somites of Amphioxus.

From Project Gutenberg

Finally, we note two series of buds of cells, one on either side of the archenteron in Figure 7 ii.

From Project Gutenberg

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.

From Project Gutenberg