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APBioCh46

APbioLHSCh.46:Animal Reproduction

structurefunctionhormonal control
mammary glands lactation prolactin and oxytocin stimulate it
embryo hormones secreted signal its presence to mother (HCG)human chorionic gonadotropin keeps progesterone&estrogen coming fm corpus leuteum so no mentruation occurs
anterior pituitary stimulates follicle growth when FSH&LH are secreted
follicles(eggs) controls pituitary gonaditropines secrete estrogens
hypothalmus controls pituitary&FSH&LH levels affecting ovaries (GnRH)gonadotropin-releasing-hormone levels
corpus luteum becomes progesterone-secreting tissue after egg is ejected LH stimulates its formation, incr.levels of progesterone&estrogen cause its disintegration
secondary female sex.characteristics dep.fat in breasts&hips, incr.H2O retention,etc estrogens are responsible for
endometrium of uterus lining for poss.embryo increasing estrogens promote this
Leydig cells of testes determines male sex characteristics androgens, esp.testosterone
hypothalmus&anterior pituitary control androgen &sperm production in testes GnRH stimulating FSH&LH
ovary follicles mature FSH stimulates periodically w/puberty
seminferous tubules of testes sperm form testosterone&other androgens are produced here
prostate gland semen-secreting gland gonadotropin inhibitors treat most common cancer in older males
follicle cells protecting egg produces estrogen w/in ovary once corpus luteum
epididymis sperm motilization&passage androgens, no doubt
Created by: sedgar
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