Noun: kenogenesis ,kee-now'je-nu-sis
- Introduction during embryonic development of characters or structure not present in the earlier evolutionary history of the strain or species
"The placenta in mammalian evolution is an example of kenogenesis";
- cenogenesis, caenogenesis, cainogenesis, kainogenesis
Type of: development, growing, growth, maturation, ontogenesis, ontogeny
Encyclopedia: Kenogenesis