Table of Contents

THE BIPOTENTIAL GONAD

The Gonadal Ridge

TheGerm Cells

SEXDETERMINATION

Testicular versus Ovarian Differentiation: the early divergent pathways

Stabilizationof Testis Differentiation: Vascular, Cellular and Molecular Pathways

Stabilizationof Ovarian Differentiation: Cellular and Molecular Pathways

THEINTERNAL REPRODUCTIVE TRACT

The Indifferent Stage

MaleDifferentiation

FemaleDifferentiation

THEUROGENITAL SINUS AND EXTERNAL GENITALIA

The Indifferent Stage

MaleDifferentiation

FemaleDifferentiation

CONTROLOF SEX DIFFERENTIATION

Growth factors

HormonalControl of Male Sex Differentiation

HormonalControl of Female Differentiation

CONCLUSION