Term
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Definition
| Cap at the anterior end of a sperm that partially covers the nucleus and contains enzymes to help the sperm penetrate the egg. |
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Term
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Definition
| Prevents either fertilization or implantation of an embryo in the uterine lining. |
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Term
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Definition
| Oral contraceptive containing estrogen and progesterone. |
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Term
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Definition
| Either of two small structures located below the prostate gland in males; each adds secretion to semen. |
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Term
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Definition
| Narrow end of the uterus, which projects into the vagina. |
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Term
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Definition
| Sore that appears on the skin; first sign of syphilis. |
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Term
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Definition
| Removal of the prepuce (foreskin) of the penis. |
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Term
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Definition
| Medication or device used to decrease the chance of pregnancy. |
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Term
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Definition
| Birth control method utilizing synthetic progesterone; prevents ovulation by disrupting the ovarian cycle. |
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Term
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Definition
| Birth control method utilizing progesterone or estrogen and progesterone together; prevents ovulation by disrupting the ovarian cycle. |
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Term
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Definition
| Under development, this birth control method immunizes against the hormone HCG, crucial to maintaining implantation of the embryo. |
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Term
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Definition
| Yellow body that forms in the ovary from a follicle that has discharged its secondary oocyte; it secretes progesterone and some estrogen. |
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Term
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Definition
| A birth control device consisting of a soft rubber or latex cup that fits over the cervix. |
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Term
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Definition
| Female gamete having the haploid number of chromosomes that is fertilized by a sperm, the male gamete. |
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Term
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Definition
| Mucous membrane lining the interior surface of the uterus. |
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Term
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Definition
| Coiled tubule next to the testes where sperm mature and may be stored for a short time. |
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Term
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Definition
| Failure of the penis to achieve or maintain an erection. |
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Term
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Definition
| Female sex hormone that helps maintain sex organs and secondary sex characteristics. |
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Term
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Definition
| Large polyurethane tube with a flexible ring that fits onto the cervix. Functions as a contraceptive and helps minimize the risk of transmitting infection. |
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Term
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Definition
| Singular of fimbriae (Similar, but not to be confused with fimbriae from the module 12 notes which are specific to bactera). The fimbriae in terms of the reproductive system are the finger-like projections at the ends of the oviducts that sweep over the ovaries. When an egg bursts from an ovary during ovulation, it is usually swept into an oviduct by the combination of the frimbriae and cilia that line the oviducts. |
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Term
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Definition
| Structure in the ovary that produces a secondary oocyte and the hormones estrogen and progesterone. |
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Term
| Follicle-Stimulating Hormone (FSH) |
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Definition
| Hormone secreted by the anterior pituitary gland that stimulates the development of an ovarian follicle in a female or the production of sperm in a male. |
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Term
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Definition
| Haploid sex cell; the egg or a sperm, which join in fertilization to form a zygote. |
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Term
| Gonadotropin-Releasing Hormone (GnRH) |
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Definition
| Hormone secreted by the hypothalamus that stimulates the anterior pituitary to secrete follicle-stimulating hormone (FSH) and luteinizing hormone (LH). |
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Term
| Human Chorionic Gonadotropin (HCG) |
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Definition
| Hormone produced by the chorion that functions to maintain the uterine lining. |
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Term
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Definition
| Attachment and penetration of the embryo into the lining of the uterus. |
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Term
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Definition
| Inability to have as many children as desired. |
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Term
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Definition
| Hormone-secreting cell located between the seminiferous tubules of the testes. |
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Term
| Intrauterine Device (IUD) |
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Definition
| Birth control device consisting of a small piece of molded plastic inserted into the uterus; believed to alter the uterine environment so that fertilization does not occur. |
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Term
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Definition
| Hormone that controls the production of testosterone by interstitial cells in males and promotes the development of the corpus luteum in females. |
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Term
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Definition
| Sheath used to cover the penis during sexual intercourse; used as a contraceptive and, if latex, to minimize the risk of transmitting infection. |
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Term
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Definition
| Termination of the ovarian and uterine cycles in older women. |
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Term
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Definition
| Loss of blood and tissue from the uterus at the end of the ovarian cycle. |
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Term
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Definition
| Production of an egg in females by the process of meiosis and maturation. |
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Term
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Definition
| Monthly follicle changes occuring in the ovary that control the level of sex hormones in the blood and the uterine cycle. |
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Term
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Definition
| Female gonad that produces eggs and the female sex hormones. |
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Term
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Definition
| Tube that transports eggs to the uterus. Also called uterine tube. |
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Term
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Definition
| Release of a secondary oocyte from the ovary; if fertilization occurs, the secondary oocyte becomes an egg. |
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Term
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Definition
| Analysis done on cervical cells for detection of cancer. |
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Term
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Definition
| External organ in males thorugh which the urethra passes; also serves as the organ of sexual intercourse. |
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Term
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Definition
| Structure that forms from the chorion and the uterine wall and allows the embryo, and then the fetus, to acquire nutrients and rid itself of wastes. |
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Term
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Definition
| Female sex hormone that helps maintain sex organs and secondary sex characteristics. |
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Term
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Definition
| Gland located around the male urethra below the urinary bladder; adds secretions to semen. |
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Term
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Definition
| Pouch of skin that encloses the testes. |
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Term
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Definition
| Thick, whitish fluid consisting of sperm and secretions from several glands of the male reproductive tract. |
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Term
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Definition
| Convoluted structure attached to the vas deferens near the base of the urinary bladder in males; adds secretions to semen. |
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Term
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Definition
| Long, coiled structure contained within chambers of the testis; where sperm are produced. |
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Term
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Definition
| Cell associated with developing germ cells in seminiferous tubule; secretes fluid into the seminiferous tubule and mediates hormonal effects on tubule. |
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Term
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Definition
| Male gamete having haploid number of chromosomes and the ability to fertilize an egg, the female gamete. |
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Term
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Definition
| Production of sperm in males by process of meiosis and maturation. |
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Term
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Definition
| Male gonads the produce sperm and the male sex hormones. |
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Term
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Definition
| Male sex hormone that helps maintain sexual organs and secondary sex characteristics. |
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Term
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Definition
| Method for preventing pregnancy in which the uterine tubes are cut and sealed. |
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Term
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Definition
| Tubular structure that receives urine from the bladder and carries it outside the body. |
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Term
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Definition
| Monthly occuring changes in the characteristics of the uterine lining (endometrium). |
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Term
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Definition
| Organ that leads from the uterus to the vestibule and serves as the birth canal and organ of sexual intercourse in females. |
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Term
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Definition
| Tube that leads from the epididymis to the urethra in males. |
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Term
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Definition
| Method for preventing pregnancy in which the vas deferentia are cut and sealed. |
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Term
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Definition
| External gentials of the female that surround the opening of the vagina. |
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Term
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Definition
| Diploid cell formed by the union of sperm and egg; the product of fertilization. |
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