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Menstrual cycle

menstrual cycle

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MENSTRUAL CYCLE Hormone Gland produced by Function Gonadotropin-releasing hormone (GnRH) Hypothalamus stimulates the release of follicle-stimulating hormone (FSH) and luteinizing hormone (LH) from the pituitary gland Follicle stimulating hormone (FSH) pituitary stimulates the growth of follicles in the ovaries, which secrete oestrogen Luteinising Hormone (LH) pituitary and works with FSH to cause ovulation and later, the release of oestrogen and progesterone Leutotrophic Hormone (LTH) pituitary initiate secretion of milk by the mammary glands, It also acts to maintain the corpus luteum of the ovary Oestrogen Ovarian follicle hormone secreted by ovarian follicles that stimulates thickening of the uterine wall, maturation of an egg, and

AP Biology slides 45-47

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Endocrine System Chapter 45 Overview: The Body?s Long-Distance Regulators Animal hormones are chemical signals that are secreted into the circulatory system and communicate regulatory messages within the body Hormones reach all parts of the body, but only target cells are equipped to respond Send chemicals around the body Specific to target cells 2 LE 45-2a Target effectors Response Simple endocrine pathway Glycogen breakdown, glucose release into blood Liver Blood vessel Pancreas secretes glucagon ( ) Endocrine cell Low blood glucose Receptor protein Stimulus Pathway Example Released compounds will elicit a response Ex: pancreas releasing glucagon with low blood sugar 3 LE 45-2b Target effectors Response Simple neurohormone pathway Stimulus Pathway Example Suckling Milk release
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