paedomorphosis

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paedomorphosis

(pē′də-môr′fə-sĭs)
n.
Variant of pedomorphosis2.

pae′do·mor′phism n.
References in periodicals archive ?
In North Dakota, populations are completely metamorphic when ponds are ephemeral (and can reach high temperatures), completely paedomorphic in deep cattle ponds that always have water and do not freeze completely (and are always cool), and are mixed metamorphic/paedomorphic in larger shallow lakes that dry periodically (e.
The xylem of Phylloglossum may certainly be regarded as paedomorphic, because it consists of protoxylem only, whereas all other Lycopodiaceae have metaxylem as well as protoxylem.
We conjecture that this alternative hypothesis supports internal fertilization and the presence of cloacal glands as the pleisiomorphic condition in salamanders and that these features were subsequently lost in some paedomorphic lineages (i.
Rule is a flexible, less demanding kind of scientific proposition, which could be efficaciously applied to Haeckel's doctrine--allowing paedomorphic phenomena such as neoteny as exceptions.
Some scientists say that domesticated dogs are paedomorphic, meaning that they are stuck in a youthful stage of life.
Most of these paedomorphic species belong to the Family Ambystomatidae, and paedomorphic species are either obligatory paedomorphs or facultative paedomorphs.
A new species of subterranean blind salamander (Plethodontidae: Hemidactyliini: Eurycea: Typhlomolge) from Austin, Texas, and a systematic revision of central Texas paedomorphic salamanders.
decorum by a combination of paedomorphic and peramorphic ontogenies (Guerrant, 1982).
Preliminary analyses suggest that (1) salamanders skin samples may not be a good predictor of liver cadmium load and (2) paedomorphic salamanders have lower cadmium loads than juvenile larval salamanders.
We assayed metamorphic development, sexual maturation, and storage in the paedomorphic salamander Ambystoma mexicanum (axolotl) by manipulating larval growth rates and the initiation of metamorphosis (via treatment with the thyroid hormone, thyroxine [[T.