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 …

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

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 …

In the family Bufonidae, male toads possess rudimentary ovaries, called Bidder's organs,
which are attached to the testes. The mechanisms involved in the inhibition of oogenesis in …

Observations on the normal seasonal spermatogenesis of Rana hexadactyla Lesson reveal
that it is continuously cyclic nature. The effect of steroids during different times of a year on …

In most of the tropical Salientia, the spermatogenic cycle is uninterrupted and is of the
continuous type. With respect to spermatogenic rhythm, temperate frogs and toads are …

The effect of 17 β-estradiol acetate on the testis of two frogs Rana cyanophlyctis and Rana
tigrina has been studied. 17 β-estradiol administration has an inhibitory action on …

Bidder's organs in both male and female bufonids are hypothesized to represent a transitory
state in an evolutionary transformation from extensive, hyperfecund ovaries to smaller, less …

Effect of cadmium chloride on steroidogenic enzymes in the Bidder's organ of the toad ( <Emphasis
Type="Italic" Page 1 Experientia 40 (1984), Birkh/iuser Verlag, CH-4010 Basel/Switzerland 91 …