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CONICET Digital
Article . 2013
License: CC BY
Data sources: CONICET Digital
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Microanatomía del ovario de Atlantoraja platana (Günther, 1880) (Chondrichthyes, Rajidae)

Authors: Moya, Ana Carolina; Galíndez, Elena Juana; Di Giacomo, Edgardo Ernesto;

Microanatomía del ovario de Atlantoraja platana (Günther, 1880) (Chondrichthyes, Rajidae)

Abstract

En este trabajo se analiza la estructura microanatómica ovárica de Atlantoraja platana con el objeto de establecer las bases morfofuncionales de la biología reproductiva de la especie. El material se obtuvo de muestreos del desembarque de la flota pesquera del golfo San Matías. Las hembras fueron clasificadas según su grado madurativo en: inmaduras, en maduración y maduras. En hembras inmaduras, el ovario es blanquecino y aplanado. Microscópicamente se observan ovogonias, folículos primordiales y primarios. En ejemplares en maduración se aprecian folículos translucidos y/o blanquecinos, de mayor tamaño .En el ovario de hembras maduras se observan a simple vista folículos grandes, amarillos y cargados de vitelo. En estos ejemplares coexisten folículos en distintos grados de desarrollo y cuerpos atrésicos. Este trabajo aporta la primera información sobre la citoarquitectura ovárica en la especie.

In this work, we analyze the microanatomy of the ovary of Atlantoraja platana in order to establish the morphofunctional basis of their reproductive biology. The material was obtained from samples of the fishing-fleet of San Matías Gulf. Females were classified according to their maturation degree as immature, maturing and mature. In immature females, the ovary is whitish and flattened. Microscopically, oogonia, primordial and primary follicles were observed. In maturing specimens translucent and/or whitish follicles, larger than immature ones are present. The ovary of mature females has large follicles with yellow yolk. In these specimens follicles in various stages of development and follicular atresia coexist. This is the first report about the microanatomy of the ovary in this fish.

Fil: Galíndez, Elena Juana. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Bahía Blanca. Instituto de Ciencias Biológicas y Biomédicas del Sur. Universidad Nacional del Sur. Departamento de Biología, Bioquímica y Farmacia. Instituto de Ciencias Biológicas y Biomédicas del Sur; Argentina. Universidad Nacional del Sur. Departamento de Biología, Bioquímica y Farmacia; Argentina

Fil: Moya, Ana Carolina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Bahía Blanca. Instituto de Ciencias Biológicas y Biomédicas del Sur. Universidad Nacional del Sur. Departamento de Biología, Bioquímica y Farmacia. Instituto de Ciencias Biológicas y Biomédicas del Sur; Argentina. Universidad Nacional del Sur. Departamento de Biología, Bioquímica y Farmacia; Argentina

Fil: Di Giacomo, Edgardo Ernesto. Universidad Nacional del Comahue; Argentina. Universidad Nacional del Comahue. Instituto de Biología Marina y Pesquera Almirante Storni; Argentina

Country
Argentina
Keywords

Chondricthyes, microanatomy, Ciencias Veterinarias, Biología, Biología reproductiva, Argentina, Histología, ovario, Ovario, https://purl.org/becyt/ford/1.6, Atlantoraja platana, Ciencias Naturales, Zoología, ovary, https://purl.org/becyt/ford/1, microanatomía, Microanatomía

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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!
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