kainogenesis

• Terme scientifique désignant l'apparition de caractères ou de structures nouveaux au cours du développement embryonnaire, qui étaient absents dans l'histoire évolutive antérieure de la lignée ou de l'espèce, par exemple l'apparition du placenta dans l'évolution des mammifères.

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

indénombrable

1. Evolutionary developmental biologyC2formalscientific

   The process by which entirely new structures or characteristics appear during embryonic development that were not present in the evolutionary history of a species or its ancestors.

   cénogenèse

   • The evolution of the placenta in mammals is a classic example of kainogenesis.
   • Kainogenesis can lead to the rapid emergence of novel adaptations in a lineage.
   • Researchers study kainogenesis to understand how new body plans arise in evolution.

   Synonymescaenogenesiscenogenesiskenogenesis