protogaster


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archenteron

 [ahrk-en´ter-on]
the central cavity that is the provisional gut in the gastrula; the primordial digestive cavity of the embryo.

protogaster

(prō″tō-găs′tĕr) [″ + gaster, belly]
The archenteron or gastrocele; the cavity in a gastrula or developing embryo from which the digestive tract develops.

protogaster

archenteron.