cainogenesis

1 definition found

cainogenesis - WordNet (r) 2.1 (2005) :

  cainogenesis
      n 1: 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) [syn: cenogenesis,
           kenogenesis, caenogenesis, cainogenesis,
           kainogenesis] [ant: palingenesis, recapitulation]