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・ Caerphilly (Assembly constituency)
・ Caerphilly (disambiguation)
・ Caerphilly (UK Parliament constituency)
・ Caerphilly by-election, 1921
・ Caerphilly by-election, 1939
・ Caerphilly by-election, 1968
・ Caerphilly Castle
・ Caerphilly Castle Ladies F.C.
・ Caenis (genus)
・ Caenis amica
・ Caenis youngi
・ Caenlochan
・ Caenocara
・ Caenocentrotus gibbosus
・ Caenogastropoda
Caenogenesis
・ Caenognosis
・ Caenognosis incisa
・ Caenoidea
・ Caenolestes
・ Caenopedina alanbakeri
・ Caenopedina annulata
・ Caenopedina capensis
・ Caenopedina cubensis
・ Caenopedina depressa
・ Caenopedina diomedeae
・ Caenopedina hawaiiensis
・ Caenopedina indica
・ Caenopedina mirabilis
・ Caenopedina novaezealandiae


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Caenogenesis : ウィキペディア英語版
Caenogenesis

Caenogenesis (also variously spelled cainogenesis, 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. Notable examples include the addition of the placenta in mammals.
Caenogenesis constitutes a violation to Ernst Haeckel's biogenetic law and was explained by Haeckel as adaptation to the peculiar conditions of the organism's individual development. Other authorities, such as Wilhelm His, Sr., on the contrary saw embryonic differences as precursors to adult differences.
==See also==

*Ontogeny
*Recapitulation theory

抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
ウィキペディアで「Caenogenesis」の詳細全文を読む



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