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A new vision of the origin and the oocyte development in the Ostariophysi applied to Gymnotus sylvius (Teleostei: Gymnotiformes)

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By: França, Gisleine Fernanda - Grier, Harry J. - Quagio-Grassiotto, Irani

Type: Article

In: Neotropical Ichthyology

Date: 2010-01-01

Subjects: Folliculogenesis maturation Ovulation Primary growth Secondary growth
The ovary of the bignose fanskate Sympterygia acuta Garman, 1877 (Chondrichthyes, Rajidae) in the Bahía Blanca estuary, Argentina: morphology and reproductive features

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By: Díaz-Andrade, MC. - Galíndez, Elena Juana - Estecondo, Silvia

Type: Article

In: Instituto Internacional de Ecologia

Date: 2009-05-01

Publication Info: Instituto Internacional de Ecologia 2009-05-01

Subjects: Chondrichthyes Folliculogenesis maturity stage reproductive biology Sympterygia acuta