Amphibians have been widely used to study developmental biology due to the fact that
embryo development takes place independently of the maternal organism and that …

True toads of the genus Rhinella are among the most common and diverse group of
Neotropical anurans. These toads are widely distributed throughout South America …

Across vertebrates, ovulation and sperm release are primarily triggered by the timed surge
of luteinizing hormone (LH). These key reproductive events are governed by the action of …

Rhinella arenarum is a South American toad with wide geographic distribution. Testes of this
toad produce high amount of androgens during the non reproductive season and shift …

Among anurans, Bufonids are recognized for their retarded sex differentiation. However, few
studies have addressed gonadal morphogenesis in this family. Here, we analyzed the early …