archenteron

noun
arch·en·ter·on | \ är-ˈken-tə-ˌrän , -rən \

Definition of archenteron 

: the cavity of a gastrula forming a primitive gut

First Known Use of archenteron

1876, in the meaning defined above

History and Etymology for archenteron

New Latin

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The first known use of archenteron was in 1876

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archenteron

noun
arch·en·ter·on | \ är-ˈkent-ə-ˌrän, -rən \
plural archentera\-ə-rə \

Medical Definition of archenteron 

: the cavity of the gastrula of an embryo forming a primitive gut

called also gastrocoel

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