LAB Study Stack
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| List the two principal functions of the testis | Sperm production & testosterone production
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| A common part of any physical exam of the male is palpation of the prostate. How? | Through the anterior wall of the rectum
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| How might enlargement of the prostate interfere with urine or the reproductive ability of the male? | It may compress the urethra which can interfere with elimination of urine & semen.
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| Why are the testes located in the scrotum rather than inside the ventral body cavity? | In order for sperm to develop the temperature in the testes needs to be 3 degrees below body temperature.
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| copulatory organ/penetrating device | penis
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| muscular passageway conveying sperm to the ejaculatory duct; in the spermatic cord | ductus deferns
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| transports both sperm and urine | spongy urethra
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| sperm maturation site | epidymis
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| location of the testis in adult males | scrotum
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| location of the testis in adult males | scrotum
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| loose fold of skin encircling the glans penis | prepuce
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| portion of the urethra between the prostate and the penis | membranous urethra
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| Empties a secretion into the prostatic urethra | Prostate
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| Empties a secretion into themembranous urethra | bulbourethral glands
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| Describe the composition of semen and name all structures contributing to its formation | An alkaline fluid containing sperm and seminal fluid. Prostate; paired seminal vescicles (fructose) bulbourethral glands (seminal fluid) testes produce sperm
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| Of what importance is the fact that seminal fluid is alkaline? | It buffers sperm against the acidity of the female reporductive system & washes residual urine out of the urethra
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| What structures compose the spermatic cord? | Ductus deferens, blood vessels, nerves, lymph vessels; connective tissue sheath
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| Where is the spermatic cord located? | Scrotum- passes from the scrotal sac thru the inguinal canal into an abdominal cavity
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| Trace the pathway of sperm from testes to the urethra; | Seminiferous Tubule; rete testis; epididymis; ductus deferens.
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| Name the structures composing the external genitalia or vulva of the female; | Mons pubis, labia major & minor, clitoris, urethral & vaginal orafices, hymen, greater vestibular glands
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| Site of fetal development | uterus
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| copulatory canal | vagina
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| "fertilized egg" typically formed here | uterine tube
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| become erect during secual excitement | clitoris
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| duct extending superolaterally from the uterus | uterine tubes
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| partially sloses the vaginal canal; a membrane | hymen
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| Produces oocytes, estrogens and progesterone | ovaries
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| fingerlike ends of the uterine tube | fimbriae
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| Do any sperm enter the pelvic cavity of the female? Why or Why not? | Yes, because the ideal place for sperm to fertilize an egg is the uterine tube.
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| What is an ectopic pregnancy? | An ectopic pregnancy is when a fertilized egg implants outside of the uterus. Usually unsuccessful and may endanger the mother's life
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| Put the vestibular-perineal structures in proper order from anterior to posterior:Vaginal orifice, anus, urethral opening and clitoris | clitoris; urethral opening; vaginal orafice; anus
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| After copulation, trace the pathway of sperm thru the female reproductive tract; | vagina; cervix; uterus; uterine tube; peritoneal cavity
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| Define ovulation; | When a developed egg is ejected from the ovary
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| The testis is divided into a number of lobes lobes contains one to four ____________________ which converge to empty sperm into another set of tubules called the ____________________. | highly coiled seminiferous tubules; rete testis
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| What is the function of the cavernous bodies seen in the male penis? | The cavernous bodies engorge w/blood and cause the penis to become rigid & enlarge so it can penetrate "erection"
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| Name the 3 layers of the uterine wall from the inside out; | endometrium; myometrium; perimetrium
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| Which lining sloughs off during menstruation? | endometrium
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| Which lining contracts during childbirth? | myometrium
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| What is the function of the stereocilia exhibited by the epithelial cells of the mucosa of the epididymis? | These non-motile microvilli absorb excess fluid & pass nutrients to the sperm in the lumen
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