noun
- the primitive digestive cavity of an embryo during gastrulation
Usage: biology; embryology
Examples
- The archenteron forms during the gastrula stage of embryonic development.
- Scientists studied how the archenteron develops into the digestive tract.
- The opening of the archenteron is called the blastopore.
- In vertebrates, the archenteron eventually becomes the gut cavity.
- The formation of the archenteron marks an important milestone in embryogenesis.
- Researchers observed cells migrating to line the archenteron wall.