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Regulation of Ovulatory Processes

  • Chapter
The Primate Ovary

Abstract

In all mammalian species studied to date, the process of ovulation is initiated by a discharge from the pituitary gland of luteinizing hormone (LH), the normal physiological trigger for ovulation (1). The ovulatory surge of LH acts upon the mature preovulatory follicles and sets in motion a series of biochemical and morphological events which eventually lead to ovulation. The interval between LH stimulation and ovulation varies from species to species. While many of the biochemical and morphological changes within the follicle during that interval are still not known or are controversial, we will discuss recent information from our laboratory and others which may shed light on the key events during that period. In addition to LH, follicle stimulating hormone (FSH) and gonadotropin releasing hormone (GnRH) have also been shown to have direct actions on the rat ovary sufficient to cause follicular rupture. The relevance of these latter observations to our understanding of the ovulatory process will also be discussed.

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LeMaire, W.J. et al. (1987). Regulation of Ovulatory Processes. In: Stouffer, R.L. (eds) The Primate Ovary. Serono Symposia, USA. Springer, Boston, MA. https://doi.org/10.1007/978-1-4615-9513-7_7

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