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stimulates male pattern of development; stimulates protein synthesis; contributes to sex drive
is secreted by the corpus luteum to maintain the uterine lining during the first trimester of pregnancy
relaxes the uterus by inhibiting myometrial contractions during monthly cycles; increases flexibility of the pubic symphysis during childbirth
posterior pituitary hormone responsible for uterine contraction and release of milk from mammary glands
contribute to male sexual behavior, spermatogenesis, and libido; adrenal cortex is the main source of this hormone in females
gonadotropin-releasing hormone (GnRH)
hypothalamic neurosecretory cells increase their secretion of this hormone, which in turn stimulates gonadotrophs in the anterior pituitary to increase their secretion of the two gonadotropins, luteinizing hormone (LH) and follicle-stimulating hormone (FSH)
is lipid-soluble and readily diffuses out of Leydig cells into the interstitial fluid and then into blood
suppresses secretion of LH by anterior pituitary gonadotrophs and suppresses secretion of GnRH by hypothalamic neurosecretory cells
in the external genitals and prostate, the enzyme 5 alpha-reductase converts testosterone into this hormone
this hormone in addition to testosterone, act synergistically on the Sertoli cells to stimulate secretion of androgen-binding protein (ABP) into the lumen of the seminiferous tubules and into the interstitial fluid around the spermatogenic cells
Testosterone-dihydrotestosterone androgen receptor complex
hormone-receptor complex regulates gene expression,
turning some genes on and others off
stimulates the male pattern of development of reproductive system ducts and the descent of the testes before birth
converted in the brain to estrogens (feminizing hormones), which may play a role in the development of certain regions of the brain in males
testosterone and dihydrotestosterone
bring about development and enlargement of the male sex organs and the development of masculine secondary sexual characteristics at puberty
Gonadotropin-releasing hormone (GnRH)
secreted by the hypothalamus controls the ovarian and uterine cycles
stimulates further development of the ovarian follicles; stimulates the theca cells of a developing follicle to produce
promote the development and maintenance of female reproductive structures, secondary sex characteristics, and the breasts
inhibit both the release of GnRH by the hypothalamus and secretion of LH and FSH by the anterior pituitary
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