cenogenesis

 : 
Noun
 : 
ce=no=gen=e=sis

WORDNET DICTIONARY

Noun cenogenesis has 1 sense

CIDE DICTIONARY

cenogenesisn. [Gr. new + E. genesis.].
     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.  [WordNet 1.5]

For further exploring for "cenogenesis" in Webster Dictionary Online


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