heterochrony


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Related to heterochrony: Hypermorphosis

het·e·ro·chron·y

 (hĕt′ə-rō-krŏn′ē)
n.
A change or set of changes in the timing or duration of an organism's ontogenetic development compared with an ancestral species, resulting in morphological differences between ancestor and descendant.

[hetero- + Greek khronos, time + -y.]

het′e·ro·chron′ic, het′e·ro·chron′ous adj.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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References in periodicals archive ?
They found that for highly specialised skulls, such as those for feeding on nectar or blood, a process called heterochrony strongly influenced their development.
Heterochrony and allometry: the analysis of evolutionary change in ontogeny.
Ontogenetic allometry, heterochrony, and interspecific differences in the skull of African apes, using tridimensional Procrustes analysis.
Protracted juvenilism (heterochrony, paedomorphosis, or neoteny of various authors) is a feature of angiosperm woods almost exclusively.
Heterochrony is greatly important to determine developmental timing of reproductive and somatic gene expressions (Gould 1977), and has been considered an important mechanism in the evolution of the Copepoda (Huys and Boxshall 1991).
(23.) JP Bourgeois, Synaptogenesis, Heterochrony and Epigenesis in the Mammalian Neocortex, 422 ACTA PAEDIATRICA 27, at 27-28 and Fig.
Non-heterochronic developmental changes underlie morphological heterochrony in the evolution of the Ardeidae.
elegans heterochrony gene lin-4 encodes small RNAs with antisense complementarity to lin-14.
Phenotypic plasticity and heterochrony in Cichlasoma managuense (Pisces, Chichlidae) and their implications for speciation in Cichlid fishes.
Keywords: Postmodernism, temporality, chronology, heterochrony, pluritemporality.
Highlighting heterochrony, excavating subaltern and peripheral histories, and espousing a materialism that retains little if any association with Marxism, the catalogue texts (there are dozens) have an irreproachable quality.