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A&P CH19 key terms
A&P CH19 Reproductive Systems
Term | Definition |
---|---|
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 |