1. plural of archenteron; the primitive digestive cavities formed during early embryonic development in animals
Usage: biology; embryology

Examples

• The archenterons develop into the digestive systems of the embryos.
• Biologists study how archenterons form during gastrulation.
• The archenterons of different species show varying developmental patterns.
• Students examined cross-sections showing the archenterons in frog embryos.
• The formation of archenterons marks an important stage in animal development.
• Researchers compared the archenterons of vertebrate and invertebrate embryos.