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ch. 51 terms h bio
chapter 51 terms and definitions
| Term | Definition |
|---|---|
| testes | the gamete producing organs of the male reproductive system |
| seminiferous tubule | tightly coiled tubles inside the compartments of the testes |
| scrotum | external sac |
| epididymis | a long, coiled tubule that is closely attached to the testes |
| vas deferens | a duct that extendes the epididymis |
| seminal vesticle | lie between the bladder and the rectum that produce a fluid rich in sugars the sperm uses for energy |
| prostate gland | located just below the bladder, secretes and alkaline fluid that neutralizes the acids in the female reproductive system |
| bulbourethral gland | secretes an alkaline fluid that neutralizes traces of acidic urine in the uretha |
| semen | a fluid made of sperm and the secretions |
| penis | the organ that deposits sperm in the female reproductive system |
| ejaculation | the process in which semen is forcefully expelled from the penis by contractions of the smooth muscles that line the uretha |
| ovary | the gamete producing organs of the female reproductive system |
| fallopian tube | a tube that contracts rhythmically to move a mature egg down the tube |
| uterus | a hollow, muscular organ about the size of a small fist |
| cervix | the lower entrance to the uterus |
| vagina | a muscular tube that recieves sperm from the penis |
| vulva | the external structures of the female reproductive system |
| labium | folds of skin and mucous membranes that cover and protect the opening to the female reproductive system |
| ovum | the mature egg |
| ovarian cycle | the series of events in which the female reproductive system prepares and releases an ovum |
| menstrual cycle | prepares the uterus for a possible pregnancy |
| follicular phase | phase begins when the hypothalamous secretes a releasing hormone that stimulates the anterior pituary secret FSH (follicle stimulating hormone) |
| follicle | a layer of cells that surrounds an immature egg |
| ovulation | the release of an egg from a ruptured follicle |
| corpus lutheum | a structure formed when cells of the ruptured follicle grow larger and fill the cavity of the follicle |
| luteal phase | when the cells form the corpus lutheum |
| menstration | the stage of the menstrual cycle in which the lining begins to slough off becuase of a lack of estrogen and progestron |
| menopause | when a women stops menstrating due to no more follicles |
Created by:
OConnellC16
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