paedomorphic


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paedomorphic

(ˌpiːdəʊˈmɔːfɪk)
adj
(Biology) biology showing signs of paedomorphism
References in periodicals archive ?
Paedomorphic facial expressions give dogs a selective advantage.
A new species of subterranean blind salamander from Austin, Texas, and a systematic revision of central Texas paedomorphic salamanders.
Rays clearly belong to Paedomorphic Type III of Carlquist (1988), a type seen in small shrubs such as Empetrum.
Additionally, in Lake 21, six individuals were identified as cannibalistic morph paedomorphic adult by their large size (> 120 mm), presence of enlarged cloaca's, and sexual maturity stage identified from dissections following criteria described in Collins (1981), i.
2011) described a paedomorphic condition in Porpoises based on some skeletal characters such as short rostrum and scarce closure of cranial sutures.
2001: Paedomorphic features and allometric growth in the skull of Elephas falconeri from Spinagallo (Middle Pleistocene, Sicily).
Analyses of ontogeny restricted to a single species are not enough to explain the direction of evolutionary change in certain structures within taxonomic groups; these analyses also cannot define the growth of a structure as paedomorphic or peramorphic, leaving the realm of heterochrony.
While alizarin generally stains bones red, and methylene blue stains cartilage blue, this distinction is not always clear-cut in fishes, especially in larvae and paedomorphic or very small species.
While evolutionary theory typically considers the paedomorphic status as fixed once attained (e.
is apparently a paedomorphic species: its peculiar morphology is a result of heterochronic changes in its ontogeny.
Heterochronic traits related to size: 0--absent; 1--noticeable paedomorphic traits; 2--noticeable peramorphic traits.