Definition of Kenogenesis

1. Noun. 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).


Definition of Kenogenesis

1. n. 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.

Definition of Kenogenesis

1. Noun. (alternative form of caenogenesis) ¹

¹ Source: wiktionary.com

Medical Definition of Kenogenesis

1. 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. Alternative forms: caenogenesis. Origin: Gr. New + E. Genesis. Source: Websters Dictionary (01 Mar 1998)

Lexicographical Neighbors of Kenogenesis

kenneled
kenneling
kennelled
kennellike
kennelling
kennels
kenner
kenners
kennet
kennetjie
kennets
kenning
kennings
keno
keno-
kenogenesis (current term)
kenogenetic
kenophobia
kenos
kenoses
kenosis
kenosises
kenotic
kenotron
kenotrons
kenpaullone
kenpaullones
kens
kensho
kenspeck

Literary usage of Kenogenesis

Below you will find example usage of this term as found in modern and/or classical literature:

1. Proceedings of the California Academy of Sciences by California Academy of Sciences (1897)
"... (bj secondary larva, such as have been introduced by kenogenesis into the ontogeny of species that formerly developed by the foetal process. ..."

2. The Library of Original Sources by Oliver Joseph Thatcher (1907)
"This distinction between palingenesis or inherited evolution, and kenogenesis or vitiated evolution, has not, however, yet been sufficiently appreciated by ..."

3. The Evolution of Man: A Popular Exposition of the Principal Points of Human by Ernst Heinrich Philipp August Haeckel (1897)
"kenogenesis (Greek) = modified evolution, ... The modifications introduced into Palingenesis by kenogenesis are ..."

4. The Evolution of Man: A Popular Exposition of the Principal Points of Human by Ernst Heinrich Philipp August Haeckel (1903)
"This distinction between Palingenesis or inherited evolution, and kenogenesis or vitiated evolution, has not, however, yet been sufficiently appreciated by ..."

5. The Evolution of Man: A Popular Exposition of the Principal Points of Human by Ernst Heinrich Philipp August Haeckel (1879)
"On the other hand, these conclusions were more or less endangered, wherever kenogenesis, or "vitiated evolution," was introduced by new adaptations. ..."

6. The Library of Original Sources: Ideas that Have Influenced Civilization, in edited by Oliver Joseph Thatcher (1915)
"This distinction between palingenesis or inherited evolution, and kenogenesis or vitiated evolution, has not, however, yet been sufficiently appreciated by ..."

7. The Library of Original Sources by Oliver Joseph Thatcher (1907)
"This distinction between palingenesis or inherited evolution, and kenogenesis or ... palingenesis or inherited history, and kenogenesis or vitiated history. ..."

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