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- W1590423357 abstract "Resumen En este trabajo se analiza la estructura microanatomica ovarica de Atlantoraja platana con el objeto de establecer las bases morfofuncionales de la biologia reproductiva de la especie. El material se obtuvo de muestreos del desembarque de la flota pesquera del golfo San Matias. Las hembras fueron clasificadas segun su grado madurativo en: inmaduras, en maduracion y maduras. En hembras inmaduras, el ovario es blanquecino y aplanado. Microscopicamente se observan ovogonias, foliculos primordiales y primarios. En ejemplares en maduracion se aprecian foliculos translucidos y/o blanquecinos, de mayor tamano. En el ovario de hembras maduras se observan a simple vista foliculos grandes, amarillos y cargados de vitelo. En estos ejemplares coexisten foliculos en distintos grados de desarrollo y cuerpos atresicos. Este trabajo aporta la primera informacion sobre la citoarquitectura ovarica en la especie. Palabras clave: microanatomia, ovario, Atlantoraja platana . Abstract 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 Matias 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. Keywords: microanatomy, ovary, Atlantoraja platana ." @default.
- W1590423357 created "2016-06-24" @default.
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- W1590423357 date "2013-01-01" @default.
- W1590423357 modified "2023-09-23" @default.
- W1590423357 title "MICROANATOMÍA DEL OVARIO DE Atlantoraja platana (GÜNTHER, 1880) (CHONDRICHTHYES, RAJIDAE) / MICROANATOMY OF THE OVARY OF Atlantoraja platana (GÜNTHER, 1880) (CHONDRICHTHYES, RAJIDAE)" @default.
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