Hypertext Webster Gateway: "caenogenesis"
From Webster's Revised Unabridged Dictionary (1913) (web1913)
Kenogenesis \Ken`o*gen"e*sis\, n. [Gr. ? new + E. genesis.]
(Biol.)
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. [Written also
{c[ae]nogenesis}.]
From WordNet (r) 1.7 (wn)
caenogenesis
n : 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) [syn: {cenogenesis}, {kenogenesis},
{cainogenesis}, {kainogenesis}] [ant: {palingenesis}]
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