Share this entry

Share this page

paedomorphosis

Line breaks: paedo|morph¦osis
Pronunciation: /ˌpiːdə(ʊ)ˈmɔːfəsɪs
 
, -mɔːˈfəʊsɪs/

Definition of paedomorphosis in English:

noun

Zoology
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.

Derivatives

paedomorphic

1
adjective
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:

Share this entry

Share this page

 

What do you find interesting about this word or phrase?

Get more from Oxford Dictionaries

Subscribe to remove ads and access premium resources

Word of the day ingratiate
Pronunciation: inˈɡrāSHēˌāt
verb
bring oneself into favor with someone through flattery…