Caenogenesis - Wikipedia Caenogenesis (also variously spelled cenogenesis, kainogenesis, kenogenesis) is the introduction during embryonic development of characters or structure not present in the earlier evolutionary history of the strain or species, as opposed to palingenesis [1][2] Notable examples include the addition of the placenta in mammals
Embryonic recapitulation, coenogenesis and heterochrony. An attempt at . . . The relationships between embryogenesis and the scale of living beings have been the subject of long-dated observations It is well known that Haeckel, going back and codifying this data, has divided it into two large groups called palingenesis and coenogenesis
Caenogenesis - definition of caenogenesis by The . . . - The Free Dictionary Define caenogenesis caenogenesis synonyms, caenogenesis pronunciation, caenogenesis translation, English dictionary definition of caenogenesis or ; or n the development of structures and organs in an embryo or larva that are adaptations to its way of life and are not retained in the adult form
Caenogenesis Definition: Evolutionary Development Insights Caenogenesis, also spelled cenogenesis, refers to the evolutionary development of traits or structures in an organism that are not inherited from its ancestors but arise anew in the organism’s development It contrasts with palingenesis, which involves the re-appearance of ancestral traits