(Greek, arche = beginning + enteron = gut) The "primitive gut," the innermost tube of an animal embryo; lined with endoderm, it will become the digestive tract.
central cavity of the gastrula; becomes the intestinal or digestive cavity
The endoderm-lined cavity formed during the gastrulation process that develops into the digestive tract of an animal
Gr. arche - primitive; Gr. enteron - intestine]. The gut cavity formed by gastrulation in metazoan embryos; formed by infolding of part of the outer surface of the blastula and opening to exterior via blastopore. Synonyms: primitive gut, gastrocoele.
The archenteron is known as the primitive gut that forms during gastrulation in the developing blastula.