CENOGENESIS • E-FREE TRANSLATION.COM • Definition of Cenogenesis

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noun

cenogenesis n. (Also spelled caenogenesis and formerly kenogenesis) (Biol.) The introduction during embryonic development of characters or structure not present in the earlier evolutionary history of the strain or species (as addition of the placenta in mammalian evolution); a modified evolution, in which nonprimitive characters make their appearance in consequence of a secondary adaptation of the embryo to the peculiar conditions of its environment; distinguished from palingenesis.

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Etymology of 'Cenogenesis'

Collaborative International Dictionary of English 0.48

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"Cenogenesis" Quotes from Famous Books

... of the facts of embryology we must, of course, take particular care to distinguish sharply and clearly between the primitive, palingenetic (or ancestral) evolutionary processes and those due to cenogenesis.* (* Palingenesis new birth, or re-incarnation (palin again, genesis or genea development); hence its application to the phenomena which are recapitulated by heredity from earlier ancestral forms. Cenogenesis ...

— The Evolution of Man, V.1. • Ernst Haeckel

Words linked to "Cenogenesis" : ontogeny, maturation, ontogenesis, kainogenesis, cainogenesis, growing, kenogenesis, cenogenetic, caenogenesis