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Morphology of the urogenital papilla and its component ducts in Astyanax altiparanae Garutti & Britski, 2000 (Characiformes: Characidae)
(Neotropical Ichthyology, 2015-01-01) [Artigo]
The histological description of the urogenital papilla is an important tool to comprehension of the reproductive mechanisms in fish, as well as a pre-requisite to germ cell transplantation in adult fish, besides to be a ...
The efficiency of spermatogenesis and the support capacity of Sertoli cells in Characiformes
(Theriogenology, 2017-11-01) [Artigo]
This stereological analysis of the types of germ cells and the number of Sertoli cells per cyst in Astyanax altiparanae testes during spermatogenesis is the first such report in Characiformes. Testes of 25 male A. altiparanae ...