The involvement of androgens during sex differentiation period was investigated in the pejerrey Odontesthes bonariensis, by classic biochemical studies and gonadal histology. We studied in particular whether the enzyme ...

The aim of this study as to analyze published evidence regarding the effectiveness of aromatase inhibitor therapy on improving spermatogenesis in infertile men. We carried out a systematic review of randomized controlled ...

Some endocrine disrupting chemicals (EDCs) can alter the estrogenic activities of the organism by directly interacting with estrogen receptors (ER) or indirectly through the hypothalamus-pituitary-gonadal axis. Recent ...

This study is intended to characterize the ovarian development and hemolymph vertebrate-type steroids concentration during the reproductive cycle of the freshwater prawn, Macrobrachium rosenbergii. A five-stage classification ...

The endocrine diseases, notably Cushing's disease, are of great importance from the morbid pictures that affect the canine species. Due to the imprecision of the standard tests, the HAC can be a diagnosis difficult to ...

In this study, we investigated the reproductive cycle and spawning season of old (OFs) and young (YFs) P. mesopotamicus females, aiming to improve the process of selection of suitable fish for induced spawning. We also ...

In this study, we investigated the reproductive cycle and spawning season of old (OFs) and young (YFs) P. mesopotamicus females, aiming to improve the process of selection of suitable fish for induced spawning. We also ...

O desenvolvimento de técnicas para indução à reprodução de peixes migradores (espécies reofílicas) de água doce possibilitou uma produção consistente de larvas destas espécies, embora, seja comum deparar-se com relatos de ...

Context: Intrauterine life may be implicated in the origin of polycystic ovary syndrome (PCOS) modifying the endocrine and metabolic functions of children born to PCOS mothers independently of the genetic inheritance and ...