kainogenesis

Noun kainogenesis has 1 sense

• kainogenesis(n = noun.process) caenogenesis, cainogenesis, cenogenesis, kenogenesis - introduction during embryonic development of characters or structure not present in the earlier evolutionary history of the strain or species (such as the addition of the placenta in mammalian evolution);
is a kind of development, growing, growth, maturation, ontogenesis, ontogeny