Testis development and differentiation in amphibians

ÁS Roco, A Ruiz-García, M Bullejos - Genes, 2021 - mdpi.com
Sex is determined genetically in amphibians; however, little is known about the sex
chromosomes, testis-determining genes, and the genes involved in testis differentiation in …

[PDF][PDF] Bidder's organ–structure, development and function

RP Piprek, M Kloc, JZ Kubiak - Int J Dev Biol, 2014 - academia.edu
Bidder's organ is an ovary-like structure, which develops from the anterior part of the
gonadal ridge in anuran amphibians belonging to the Bufonidae family. Bidder's organs …

Spermatogenesis and male reproductive system in Amphibia---Anura

M Ogielska, J Bartmańska - Reproduction of amphibians, 2009 - books.google.com
Testes in Anura are paired spherical or ovoid organs lying on the ventral side of kidneys.
They are usually situated near the medial anterior part of the kidneys. Each testis is …

[图书][B] Reproduction of amphibians

M Oielska - 2009 - taylorfrancis.com
This book deals with reproduction of Amphibians belonging to three extant orders:
Caecilians, Salamanders, Frogs and Toads. Separate chapters have been written for males …

Alterations in gonads and liver tissue in two neotropical anuran species commonly occurring in rice fields crops

LM Curi, PM Peltzer, MA Attademo… - Water, Air, & Soil …, 2021 - Springer
Amphibians find a suitable habitat in rice agroecosystems, but their viability is affected by the
sublethal effects of agrochemicals. Animal condition, external morphology, and liver and …

Oogenesis and female reproductive system in Amphibia---Anura

M Ogielska, J Bartmanska - Reproduction of amphibians. Enfield …, 2009 - books.google.com
Anatomy: Ovaries in anuran amphibians are paired organs lying on the ventral side of the
kidneys. In adult females ovaries are much bigger than kidneys, because they are filled with …

Flutamide effects on morphology of reproductive organs and liver of Neotropical Anura, Rhinella schneideri

LS de Gregorio, L Franco-Belussi, FR Gomes… - Aquatic Toxicology, 2016 - Elsevier
Water contamination is one of the factors influencing the decline of amphibians. Flutamide is
an antiandrogenic medicine that occurs as water contaminant. This compound especially …

The evolution of sexual systems in animals

JL Leonard - … sexual systems: understanding the mechanisms of …, 2018 - Springer
A sexual system is the pattern of gender allocation that characterizes a species. In both
plants and animals, simultaneous hermaphroditism and dioecy are the most common and …

Estrogen contamination increases vulnerability of amphibians to the deadly chytrid fungus

RF Salla, MJ Costa, FC Abdalla, CR Oliveira… - Science of The Total …, 2024 - Elsevier
Aquatic contaminants and infectious diseases are among the major drivers of global
amphibian declines. However, the interaction of these factors is poorly explored and could …

Morphological Aspects of Gonadal Morphogenesis in Bufo bufo (Amphibia anura): Bidder's Organ Differentiation

R Falconi, D Dalpiaz, F Zaccanti - The Anatomical Record …, 2007 - Wiley Online Library
We have described the architecture of Bidder's organ, defined its compartmented structure,
and affirmed the presence of basal laminae. We did not find morphological differences …