cenogenesis

• Terme biologique désignant l'apparition de nouveaux caractères ou structures au cours du développement embryonnaire, absents de l'histoire évolutive antérieure de l'espèce, par exemple l'évolution du placenta chez les mammifères.

A biological term referring to the introduction of new characters or structures during embryonic development that were not present in the earlier evolutionary history of a species, such as the evolution of the placenta in mammals.

indénombrable

1. Evolutionary developmentC2formalscientific

   The introduction of new characteristics or structures during embryonic development that were not present in the earlier evolutionary history of a species or strain.

   Cénogenèse

   • The evolution of the placenta in mammals is a classic example of cenogenesis.
   • Cenogenesis can lead to the development of entirely new organs in a species.
   • Scientists study cenogenesis to understand how novel traits emerge in evolution.

   Synonymescaenogenesiskenogenesis