Definition of paedomorphosis in English:

paedomorphosis

(US pedomorphosis)

noun ˌpiːdə(ʊ)ˈmɔːfəsɪsˌpiːdə(ʊ)mɔːˈfəʊsɪsˌpēdəˈmôrfəsəs

Zoology

see neoteny
Example sentencesExamples
- By comparison to other squamates, this morphology indicates skeletal paedomorphosis that is common in secondarily marine reptiles.
- 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.
- At a higher level, it is considered that vertebrates might have arisen from the pelagic larva of a tunicate-like organism by paedomorphosis, causing the retention of the larval characters into the adult phase.
- This later result indicates that expression of paedomorphosis is associated with genetic changes that alter developmental timing.
- 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.

Derivatives

paedomorphic

adjective ˌpiːdə(ʊ)ˈmɔːfɪk

Zoology

(of an animal) retaining juvenile features as an adult.
paedomorphic salamanders
Example sentencesExamples
- 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.

Origin

1920s: from paedo- + -morph + -osis.

Definition of pedomorphosis in US English:

pedomorphosis

(British paedomorphosis)

nounˌpēdəˈmôrfəsəs

Zoology

see neoteny
Example sentencesExamples
- 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.
- This later result indicates that expression of paedomorphosis is associated with genetic changes that alter developmental timing.
- At a higher level, it is considered that vertebrates might have arisen from the pelagic larva of a tunicate-like organism by paedomorphosis, causing the retention of the larval characters into the adult phase.
- 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.

Origin

1920s: from paedo- + -morph + -osis.

单词	paedomorphosis
释义	Definition of paedomorphosis in English: paedomorphosis (US pedomorphosis) noun ˌpiːdə(ʊ)ˈmɔːfəsɪsˌpiːdə(ʊ)mɔːˈfəʊsɪsˌpēdəˈmôrfəsəs Zoology see neoteny Example sentencesExamples By comparison to other squamates, this morphology indicates skeletal paedomorphosis that is common in secondarily marine reptiles. 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. At a higher level, it is considered that vertebrates might have arisen from the pelagic larva of a tunicate-like organism by paedomorphosis, causing the retention of the larval characters into the adult phase. This later result indicates that expression of paedomorphosis is associated with genetic changes that alter developmental timing. 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. Derivatives paedomorphic adjective ˌpiːdə(ʊ)ˈmɔːfɪk Zoology (of an animal) retaining juvenile features as an adult. paedomorphic salamanders Example sentencesExamples 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. Origin 1920s: from paedo- + -morph + -osis. Definition of pedomorphosis in US English: pedomorphosis (British paedomorphosis) nounˌpēdəˈmôrfəsəs Zoology see neoteny Example sentencesExamples 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. This later result indicates that expression of paedomorphosis is associated with genetic changes that alter developmental timing. At a higher level, it is considered that vertebrates might have arisen from the pelagic larva of a tunicate-like organism by paedomorphosis, causing the retention of the larval characters into the adult phase. 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. Origin 1920s: from paedo- + -morph + -osis.
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