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Caenogenesis
noun
Definitions
Noun
- 1 The embryotic development of structures or characteristics not present in the species before. countable, uncountable
- 2 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) wordnet
Etymology
From Ancient Greek καινός (kainós, “new”) + -genesis.
See also for "caenogenesis"
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