Human Reproduction-The Missing Parts of the Puzzle; B.P. Setchell. Genes, Chromosomes and Fertility: Human Y Chromosome Deletions in Yq11 and Male Fertility; P.H. Vogt. Frequency of Y-Chromosome Microdeletions; (Yq11.22-23) in Men with Reduced Sperm Quality Requesting Assisted Reproduction; A. Bonhoff, et al. Germ Cell Differentiation and Tumorigenesis: Endocrine Control of Germ Cell Proliferation in the Primate Testis: What Do We Really Know?; G.F. Weinbauer, E. Nieschlag. The Role of the Testicular Accessory Cells: Molecular Pathophysiology of the Pituitary-Gonadal Axis; M. Simoni, et al. Compartmentalization, Vascularization and Angiogenesis: Compartmentalization of the Intertubular Space in the Human Testis; A.F. Holstein, M. Davidoff. Post-Testicular Sperm Maturation: The Role of Apocrine Released Proteins in the Post-Testicular Regulation of Human Sperm Function; G. Aumuller, et al. Control of the Male and Female Tracts: Interactions Between Leukocytes and the Male Reproductive System: The Unanswered Question; A.G. Rossi, R.J. Aitken. Gamete Interaction and Fertilization: The Cell Biology of Fertilization; R.J. Aitken. 45 Additional Articles. Index.