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A&P CH19 key terms

A&P CH19 Reproductive Systems

androgen male sex hormones
contraception birth control
ejaculation process of expelling semsn from the male reproductive tract
emission the movement of sperm cells from the vas deferens into the ejaculatory duct and urethra
estrogen hormone that stimulates the development of female secondary sex characteristics
gonadotropin a hormone that stimulates activity in the gonads
meiosis cell division that halves the genetic material, resulting in egg and sperm cells (gametes)
menopause termination of the menstrual cycle
menstrual cycle monthly female reproductive cycle
oogenesis differentiation of an egg cell
orgasm the culmination of sexual excitement
ovulation the release of an egg cell from a mature ovarian follicle
primary follicle primordial follicle that begins to mature in response to hormonal changes in a female at puberty
progesterone a female hormone that the corpus luteum and placenta secrete
puberty state of development in which the reproductive organs become functional
semen fluid containing sperm cells and secretions discharged from male reproductive tract at ejaculation
spermatogenesis process by which sperm cells are formed
testosterone male sex hormones that the interstitial cells of the testes secrete
zygote cells produced when an egg and a sperm fuse; fertilized egg cell