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Heterocronía y variación morfológica en anuros

Authors: Fabrezi, Marissa;

Heterocronía y variación morfológica en anuros

Abstract

El concepto de heterocronía está ligado a la variación en la ontogenia y es frecuente en estudios de morfología comparada,involucra tanto a caracteres individuales como a todo el organismo,al tamaño y a la forma y lleva implícito el tiempo en el cual ocurre una trayectoria ontogenética. El estudio de la heterocronía ha generado un conjunto de términos, definiciones y modelos en los que se confunde el origen de la variación (cambio heterocrónico) con sus consecuencias morfológicas en procesos evolutivos. En este trabajo se revisan algunos conceptos muy usados en el estudio de la heterocronía con ejemplos de la variación durante el desarrollo en anuros.

Heterochrony is a concept referred to ontogenetic variation and is frequently used in comparative morphology. It involves single traits, the whole organism, size, shape and has implicit the timing in which an ontogenetic trajectory occurs. The study of heterochrony has produced terms, definitions and models in which sometimes the heterochronic variation overlaps with its morphological results and evolutionary processes. Herein, the revision of some of these terms and definitions is discussed with data of developmental variation in anurans.

Fil: Fabrezi, Marissa. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Salta. Instituto de Bio y Geociencias del NOA. Universidad Nacional de Salta. Facultad de Ciencias Naturales. Museo de Ciencias Naturales. Instituto de Bio y Geociencias del NOA; Argentina

Country
Argentina
Keywords

Tamaño, Anuros, Peramorfosis, https://purl.org/becyt/ford/1.6, Pedomorfosis, Forma, Ciencias Naturales, Morfología, Zoología, herpetología, https://purl.org/becyt/ford/1

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
Green