The role of endogenous opioid peptides in control of the menstrual cycle.
D000818:Animals; D004723:Endorphins / Q000502:physiology*; D004745:Enkephalins / Q000502:physiology; D005260:Female; D006065:Gonadotropins, Pituitary / Q000378:metabolism; D000882:Haplorhini; D006801:Humans; D007031:Hypothalamus / Q000378:metabolism; D008597:Menstrual Cycle; D010906:Pituitary Hormone-Releasing Hormones / Q000502:physiology; D001615:beta-Endorphin
D004723:Endorphins; D004745:Enkephalins; D006065:Gonadotropins, Pituitary; D010906:Pituitary Hormone-Releasing Hormones; D001615:beta-Endorphin