anamorphosis
From ZooTerms (Dictionary of Invertebrate Zoology)
anamorphosis (noun; plural anamorphoses; Greek ana, backwards; morphosis, forming): 1. A process of slow, steady evolution without apparent gross mutant variation.
2. (Arthropoda: Insecta) a. The increase of number of segments after hatching. b. Development in which the young gradually become more like the adult in body form after each ecdysis, as opposed to metamorphosis
See also: ametabolous, metamorphosis, epimorphosis.
