vestigial

• Décrit une partie résiduelle, souvent dégénérée ou non fonctionnelle, d'un organe ou d'une structure qui était autrefois pleinement développée ou utile, généralement dans un contexte biologique ou anatomique.

Describes a remaining, often degenerate, part of something that was once fully developed or functional, typically in a biological or anatomical context.

1. Not fully developed in mature animalsC1formalscientific

   Describes a body part or organ that is reduced in size and function in adult animals compared to earlier stages of development or in related species.

   vestigial (organe résiduel)

   • The human appendix is considered a vestigial organ.
   • Some snakes have vestigial pelvic bones.
   • Whales have vestigial hind limbs buried inside their bodies.

   Synonymesatrophiedremnantresidualrudimentaryundeveloped

   Antonymesdevelopedfull-grownfunctionalmature