幼よう形けい成せい熟じゅく

noun

neoteny

A biological term referring to the retention of juvenile features in the adult form of an organism. Often used in evolutionary biology and developmental biology contexts.

See also: ネオテニー

• アホロートルは幼よう形けい成せい熟じゅくの代だい表ひょう例れいとして知しられている。

  The axolotl is known as a classic example of neoteny.