Peramorphosis

In developmental biology, peramorphosis is a phylogenetic change in which individuals of a species mature past adulthood and take on hitherto unseen traits. It is the reverse of paedomorphosis. Peramorphosis can also be defined as the delaying of maturity while the development of the adult is extended.

There are several kinds of peramorphism, different dimensions of heterochrony, which may appear independently or in combination:

Peramorphosis in fiction

References

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