Biology

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

LECTURES 15-16: HUMAN REPRODUCTION 1 Human Reproduction Outline 2 ? Male & female reproductive systems ? Physical Structures and their functions ? Gametogenesis ? Gamete structure & function ? Reproductive endocrinology ? Hormonal regulation of male & female gametogenesis ? The principle of negative feedback ? Pregnancy & development ? Fertilization ? Placenta: structure & function ? Foetal development & factors affecting Objectives - At the end of this lesson you should be able to: 3 1. Describe the male and female reproductive systems 2. State the function of the components of the reproductive system 3. Outline the process of gametogenesis in the male and female systems 4. Describe how gametogenesis is controlled by