Ovarian Cycle, Volume 107, the latest in the Vitamins and Hormones series first published in 1943, and the longest-running serial published by Academic Press, covers the latest updates on hormone action, vitamin action, X-ray crystal structure, physiology and enzyme mechanisms. This latest release includes an overview of the ovarian cycle, a section on ovarian hyperstimulation syndrome, information on androgens and ovarian follicular maturation, information on peptide inhibitors of human thymidylate synthase to inhibit ovarian cancer cell growth, sections on nodal and luteolysis, neurokinins, dynorphin and pulsatile Lh secretion, Lh receptor expression by Mir12, and gonadotrophin-surge attenuating factor, melatonin and Bmp-6 regulation, amongst other topics. Focuses on the newest aspects of hormone action in connection with diseasesLays the groundwork for the focus of new chemotherapeutic targetsReviews emerging areas in hormone action, cellular regulators and signaling pathways