Back Pracrijevo BS Arquènteron Catalan Prvostřevo Czech Archenteron German Arquénteron Spanish Archentéron French Arquéntero Galician Archenteron Italian 原腸 Japanese Архентерон Kazakh
The archenteron, also called the gastrocoel, the primitive digestive tube or the primitive gut, is the internal cavity of the primitive gastrointestinal tract that forms during gastrulation in a developing animal embryo. It develops into the endoderm and mesoderm of the animal.