hormones of reproductive system
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19 terms
Terms | Definitions |
|---|---|
 major source of estrogen | ovary- maturing follicles and corpus luteum |
| major source of progesterone | ovary- follicles and corpus luteum |
| major source of testosterone | testes - interstital cells |
| estrogen: stimulus for release | FSH |
| progesterone: stimulus for release | LH |
| testosterone: stimulus for release | LH |
| estrogen: feedback effects on anterior pituitary (negative or positive or both) | negative and positive |
| progesterone: feedback effects on anterior pituitary (negative or positive or both) | negative |
| testosterone: feedback effects on anterior pituitary (negative or positive or both) | negative |
| estrogen: effects on reproductive organs | -oogenesis - growth, maturation at puberty, maintains size and function of reprod. organs -regulates directly the uterine cycle: PROLIFERATE PHASE -stimulates production of WATERY CERVICAL MUCUS -stimulates growth of uterus and enlargement of external genitalia and mammary glands in pregnancy. in pregnancy contributes to softening and relaxation of pelvic ligaments and pubic symphysis - stimulates capacitation |
| progesterone: effects on reproductive organs | -regulates directly the uterine cycle: SECRETORY PHASE -stimulates production of VISCOUS MUCUS -quiets down myometrium and collaborates with estrogen to cause mammary glands to achieve milk-producing function -prepares uterus for implantation |
| testosterone: effects on reproductive organs | -spermatogenesis via ABP (androgen-binding protein) -stimulates formation of male reproductive glands, ducts, ext. genitalia -growth, maturation at puberty, maintains size and function of reprod. organs -suppresses development of mammary glands |
| estrogen: secondary sex characteristics | -breasts -hair (axillary, pubic) -fat deposit (female distribution) -pelvic feminization -hydrates skin |
| testosteron: secondary sex characteristics | -growth spurt -hair (facial, chest, axillary, pubic) -deep voice (vocal cords and Adam's apple) -acts on glands: ACNE -develops muscular mass |
| estrogen: metabolic effects | anabolic; increases reabsorption of Na+, INHIBITS diuresis' enhances HDL levels-CVS sparing effects |
| progesterone: metabolic effects | PROMOTES diuresis (antiestrogenic effects), increases body temperature |
| testosterone: metabolic effects | anabolic; stimulates hemopoiesis and basal metabolic rate |
| estrogen: neural effects | feminine brain |
| testosterone: neural effects | masculine brain- promotes aggressiveness, sex drive in both sexes - libido |
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