List of Contributors. Preface. Acknowledgements. Part I: Male Gamete. 1. Mammalian Testes: Structure and Function; N. Ravidranath, et al. 2. The Sperm Acrosome: Formation and Contents; A. Abou-Haila, D.R.P. Tulsiani. 3. Ductus Epididymis; G.A. Cornwall. 4. The Testicular and Epididymal Luminal Fluid Microenvironment; C.M. Rodriguez, B.T. Hinton. 5. Sperm Motility: Patterns and Regulation; S. Vijayaraghvan. 6. Testicular and Epididymal Maturation of Mammalian Spermatozoa; K. Toshimori. 7. Glycosil Phosphatidyl Inositol (GPI) Anchored Molecules on Mammalian Spermatozoa; B.M.J. Pereira, et al. 8. Male Accessory Glands: Molecular Mechanisms of Development; C. Gupta. Part II: Female Gamete. 9. Formation and Structure of Mammalian Ovaries; Y. Araki. 10. The Ovarian Cycle; F.S. Khan-Dawood. 11. Estrogen-Associated Glycoproteins in Oviduct Secretions: Structure and Evidence for a Role in Fertilization; G. Killian. 12. Structure and Function of Mammalian Zonae Pellucidae; S.V. Prasad, et al. Part III: Early Events of Fertilization. 13. Transport of Spermatozoa in the Female Genital Tract; S.S. Suarez. 14. Capacitation: Signaling Pathways Involved in Sperm Acquisition of Fertilizing Capacity; V.A. Westbrook, et al. 15. Sperm-Egg Interaction and Exocytosis of Acrosomal Contents; D.R.P. Tulsiani, A. Abou-Haila. Part IV: Fusion of Gametes. 16. Gamete Membrane Interactions: The Cell-Cell Interactions between Sperm and Egg during Fertilization; J.P. Evans. 17. Activation of Mammalian Oocytes: Principles and Practice; L. Liu, et al. 18. Implantation: Lessons from a Primate Model; A.T. Fazleabas. Part V: Medical Implications. 19. Assisted Reproduction: Techniques and Participants; C.R. Loeser, et al. 20. The Reproductive Effects of Hormonally Active Environmental Agents; B.J. Danzo. Subject Index.