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paedomorphosis Line breaks: paedo|morph¦osis
Pronunciation: /ˌpiːdə(ʊ)ˈmɔːfəsɪs/

Definition of paedomorphosis in English:


See neoteny.
Example sentences
  • Facultative paedomorphosis occurs in most species, though individuals in these species usually metamorphose fully into terrestrial adults with robust bodies and limbs, broad heads, and laterally-flattened tails.
  • Germ layers, homology, larval evolution, larval origins of the vertebrates, paedomorphosis and heterochrony underpinned the origins of evolutionary embryology, and so I discuss each of these topics.
  • By comparison to other squamates, this morphology indicates skeletal paedomorphosis that is common in secondarily marine reptiles.


Example sentences
  • These extremely paedomorphic crinoids lacked arms, which conduct the feeding in normal crinoids.
  • Amphiumas are elongate, paedomorphic, aquatic salamanders that superficially resemble the primitive sirens (Sirenidae).
  • The orthaceans again have a fibrous secondary shell and are presumed to have arisen from some nisuisid stock, possibly by paedomorphic changes affecting pedicle development in particular.
Definition of paedomorphosis in:
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