reproduction system
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| show | gametes
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| show | gonads
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| paired oval glands in the scrotum that develop near kidney and descend through inguinal canals near the 7th month of fetal development, each contains 200-300 lobules and 1-3 seminiferous tubules sperm are produced here | show 🗑
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| the supporting structure for the testes that consists of loose skin and underlying subcutaneous layer that hangs from the root of the penis | show 🗑
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| a series of small bands of skeletal muscle that descend as an extension of the internal oblique muscle through the spermatic cord to surround the testes | show 🗑
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| found in spaces between seminiferous tubules; secrete testosterone | show 🗑
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| show | sertoli (sustenacular) cells
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| show | seminiferous tubules
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| show | epididymus
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| show | ductus (vas) deferens
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| secrete an alkaline, viscous fluid that contains fructose, prostaglandins, and clotting proteins; fluid helps neutralize the acidic environment of the male urethra and the female reproductive tract. 60% of semen volume | show 🗑
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| 25% of semen volume; secretes milky fluid containing citric acid, proteolytic enzymes and seminalplasmin( antibiotic) | show 🗑
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| secrete alkaline fluid that protects passing sperm by neutralizing acids from urine in urethra; mucus lubricates end of penis and lining of urethra | show 🗑
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| the maturation of spermatids into sperm takes 65-75 days | show 🗑
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| show | spermatogonia
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| each duplicates its DNA and meosis begins: meosis 1: homologous pairs of chromosomes line up,recombine, separate diploid 2n | show 🗑
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| the 2 cells formed in meosis 1; each has 23 chromosomes (haploid) | show 🗑
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| show | spermatids
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| show | spermatozoa
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| show | testosterone
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| contains urethra; consists of 3 cylindrical masses of tissue with erectile tissue | show 🗑
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| where homologous pairs line up, recombine, separate | show 🗑
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| show | meiosis 2
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| show | acrosome
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| show | semen
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| show | ovaries
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| show | uterine (fallopian) tube
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| show | uterus
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| show | vagina
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| the mucous membrane lining the uterus | show 🗑
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| show | myometrium
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| show | perimetrium
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| show | oogenesis
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| what germ cells differentiate into-diploid stem cells that can divide | show 🗑
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| enter the prophase of meiosis 1 during fetal development, but don't complete phase until after puberty; during arrested stage of development it is surrounded by a single layer of flat follicular cells | show 🗑
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| show | secondary oocyte
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| where a primary oocyte is surrounded by a single layer of flat follicular cells | show 🗑
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| when the primordial follicles grow they develop into this | show 🗑
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| show | secondary follicle
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| show | graafian follicle
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| show | zona pellucida
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| show | ovulation
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| uterus replaces lost endometrium and follicles grow; last from menstruation to ovulation; fsh and lh cause development of follicle; follicle produces estrogen | show 🗑
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| show | luteal phase of ovarian cycle
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| contains the remnants of a mature follicle after ovulation; produces estrogens, progesterone, relaxin, and inhibin until it degenerates into fibrous scar tissue | show 🗑
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| show | Testes->semniferous tubules->epididymus->vas deferens-> back of bladder->seminal vesicle (secrete an alkaline, viscous fluid that contains fructose, prostaglandins, and clotting proteins)-> bulbourethral glands (alkaline fluid protects sperm from acid)
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| Describe the pathway of sperm from the testes out of the body-including the accessory glands secretions past the b glands | show 🗑
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| show | +testerone act on Sertoli cells to stimulate secretion of androgen-binding protein->binds testosterone keeping concentration high->testosterone stimulates spermatogenesis-> sertoli cells release inhibin which inhibits FSH
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| show | stimulates Leydig(Interstitial) cells to make testosterone
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| show | controls ovarian and uterine cycle, stimulates release of follicle-stimulating hormone and lutenizing hormone from the anterior pituitary
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| show | intiates follicular growth and stimulates ovarian follicles to secrete estrogens
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| Describe how LH hormone regulates the female reproductive system. | show 🗑
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| Describe how Estrogen hormone regulates the female reproductive system. | show 🗑
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| Describe how Progesterone hormone regulates the female reproductive system. | show 🗑
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| show | produced by corpus luteum;relaxes uterus by inhibiting contraction of myometrium; at end of pregnancy, increase flexibility of pubic symphysis and dilates uterine cervix
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| Describe how Inhibin hormone regulates the female reproductive system. | show 🗑
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