SOURCE: Sadava, et al., Life: The Science of Biology, Ninth Edition, Sinauer Associates
© 2010 Sinauer Associates, W. H. Freeman & Co., and Sumanas, Inc.
KEYWORDS: Ovarian cycle, uterine cycle, oocyte, ovulation, corpus luteum, menstruation, follicle-stimulating hormone, FSH, luteinizing hormone, LH, progesterone