Found 2 items, similar to kenogenesis.
English → English (WordNet) Definition: kenogenesis kenogenesis 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, caenogenesis, cainogenesis, kainogenesis] [ant: palingenesis]
English → English (gcide) Definition: kenogenesis cenogenesis \cen`o*gen"e*sis\ n. [Gr. ? new + E. genesis.] (Biol.) 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. [Also spelled caenogenesis and formerly kenogenesis.] [WordNet 1.5 + 1913 Webster]