Reproduction of Amphibians

The Undifferentiated Amphibian Gonad: Formation of gonads in amphibians. Spermatogeneiss and Male Reproductive System in Amphibia. Anura: Structure of testis in Anura; Sperm collecting ducts and urogenital connections; Spermatogenesis in Anura; Regulation of spermatogenesis in Anura. Spermatogenesis and Male Reproductive System in Amphibia. Urodela: Structure of testis in Urodela; Urogenital connections; Spermatogenesis in Urodela. Spermatogenesis and Male Reproductive System in Amphibia. Gymnophiona: Introduction; Structure of testis in Gymnophiona; Urogenital connections; Spermatogenesis in Gymnophiona; Age of sexual maturity; Hormonal control of spermatogenesis. Oogenesis and Female Reproductive System in Amphibia. Anura: Structure of ovaries in Anura; Female reproductive tract; Oogenesis in Anura; Regulation of oogenesis in Anura. Oogenesis and Female Reproductive System in Amphibia. Urodela: Structure of ovary in Urodela; Female reproductive tract; Oogenesis; Postovulatory ovary; Atretic follicles. Oogenesis and Female Reproductive System in Amphibia. Gymnophiona: Structure of ovaries in Gymnophiona; Female reproductive tract in Gymnophiona; Oogenesis in Gymnophiona; Hormonal control of reproduction. Development and Reproduction of Amphibian: Species, Hybrids, and Polyploids: Early devlopment; Postembryonic development; Direct development; Reproduction of larvae (neoteny); Hybridization; Polyploidy; Reproduction of hybrids and allopolyploids; Hybridogenesis; Development and viability of hybrid progeny.